Manufacturer communications · 2025
Chevrolet bulletins dated 2025
1,020 communications, newest first. All Chevrolet bulletins →
Bulletins
1,020 bulletins
| Number | Kind | Component | Dated | Model years |
|---|---|---|---|---|
| PIC6540F | Service bulletin | — | Dec 31, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +86 |
| PIT6160B | Service bulletin | — | Dec 30, 2025 | 2024 Blazer |
| PIT5689M | Service bulletin | — | Dec 30, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +19 |
| PIT5984A | Service bulletin | — | Dec 25, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +14 |
| PIT6393H | Service bulletin | — | Dec 23, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +12 |
| PIC6632 | Service bulletin | — | Dec 23, 2025 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +6 |
| PIT6469A | Service bulletin | — | Dec 22, 2025 | 2026 Silverado 2500HD, 2026 Silverado 3500HD |
| PIT6469 | Service bulletin | — | Dec 19, 2025 | 2026 Silverado 2500HD |
| PIT6468 | Service bulletin | — | Dec 19, 2025 | 2026 Equinox, 2025 Equinox |
| PIT6445B | Service bulletin | — | Dec 19, 2025 | 2026 Colorado, 2026 Corvette, 2026 Equinox +4 |
| PIC6636 | Service bulletin | — | Dec 19, 2025 | 2025 Malibu, 2024 Malibu, 2023 Malibu +4 |
| PIT6260A | Service bulletin | — | Dec 17, 2025 | 2024 Suburban, 2023 Suburban, 2022 Suburban +3 |
| PIP6092A | Service bulletin | — | Dec 17, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado +6 |
| N252525760 | Service campaign | — | Dec 17, 2025 | 2025 Equinox |
| PIT6467 | Service bulletin | — | Dec 16, 2025 | 2026 Silverado 3500HD, 2025 Silverado 3500HD |
| PIP6033A | Service bulletin | — | Dec 16, 2025 | 2026 Equinox, 2025 Equinox, 2025 Malibu +8 |
| N252531220 | Service campaign | Steering | Dec 16, 2025 | 2026 Equinox, 2025 Equinox |
| 653.40 | Over-the-air update | — | Dec 16, 2025 | 2024 Colorado, 2025 Equinox, 2024 Equinox +2 |
| PIT6465A | Service bulletin | — | Dec 15, 2025 | 2026 Equinox, 2026 Suburban, 2026 Tahoe |
| PIP6064A | Service bulletin | — | Dec 15, 2025 | 2025 Silverado, 2025 Suburban, 2025 Tahoe |
| PIT6466 | Service bulletin | — | Dec 12, 2025 | 2026 Equinox, 2025 Equinox |
| PIT6457A | Service bulletin | — | Dec 12, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +86 |
| PIP6031D | Service bulletin | — | Dec 12, 2025 | 2026 Equinox, 2025 Equinox, 2025 Malibu +8 |
| PIC6629B | Service bulletin | — | Dec 12, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +39 |
| PIT6465 | Service bulletin | — | Dec 11, 2025 | 2026 Suburban, 2026 Tahoe |
| PIT6345A | Service bulletin | — | Dec 11, 2025 | 2025 Traverse, 2024 Traverse |
| N242488190-01 | Service campaign | — | Dec 10, 2025 | 2025 LOW Cab Forward 3500, 2025 LOW Cab Forward 4500 |
| A252528630 | Service campaign | Fuel/Propulsion System | Dec 9, 2025 | 2026 Trax |
| 625.42 | Over-the-air update | — | Dec 9, 2025 | 2026 Corvette |
| PIT6464 | Service bulletin | — | Dec 8, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| PIT6407A | Service bulletin | — | Dec 5, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| PIT6393G | Service bulletin | — | Dec 5, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +14 |
| PIT6458 | Service bulletin | — | Dec 4, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado +6 |
| PIT6224B | Service bulletin | — | Dec 4, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +15 |
| 625.41 | Over-the-air update | — | Dec 4, 2025 | 2025 Corvette, 2024 Corvette |
| PIC6630A | Service bulletin | — | Dec 2, 2025 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| PIC6602Q | Service bulletin | — | Dec 2, 2025 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| PIT6462 | Service bulletin | — | Nov 26, 2025 | 2026 Suburban, 2026 Tahoe |
| PIT6461 | Service bulletin | — | Nov 26, 2025 | 2026 Silverado 2500HD, 2025 Silverado 2500HD, 2026 Silverado 3500HD +1 |
| PIT6459 | Service bulletin | — | Nov 26, 2025 | 2026 Silverado, 2026 Suburban, 2026 Tahoe |
| PIT6132D | Service bulletin | — | Nov 26, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +27 |
| PIC6631 | Service bulletin | — | Nov 26, 2025 | 2026 Corvette |
| PIC6630 | Service bulletin | — | Nov 26, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +14 |
| PIT6457 | Service bulletin | — | Nov 25, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +69 |
| PIT6456 | Service bulletin | — | Nov 24, 2025 | 2026 Corvette, 2025 Corvette, 2024 Corvette +22 |
| N242438500-04 | Emissions | Fuel/Propulsion System | Nov 24, 2025 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| PIT6455 | Service bulletin | — | Nov 20, 2025 | 2026 Silverado, 2025 Silverado |
| PIT6454 | Service bulletin | — | Nov 20, 2025 | 2026 Equinox, 2025 Equinox, 2024 Equinox |
| PIT6406D | Service bulletin | — | Nov 20, 2025 | 2026 Corvette, 2025 Corvette, 2024 Corvette +17 |
| PIT5214G | Service bulletin | — | Nov 20, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +268 |
| PIC6611C | Service bulletin | — | Nov 20, 2025 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +3 |
| N252527780 | Service campaign | — | Nov 20, 2025 | 2026 Silverado |
| N252521591-01 | Service campaign | — | Nov 20, 2025 | 2026 Suburban, 2026 Tahoe |
| 653.10 | Over-the-air update | — | Nov 20, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +3 |
| PIP6092 | Service bulletin | — | Nov 19, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado +6 |
| PIC6602P | Service bulletin | — | Nov 18, 2025 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| N252528020 | Service campaign | Steering | Nov 18, 2025 | 2026 Tahoe, 2025 Tahoe |
| N252507990 | Service campaign | — | Nov 18, 2025 | 2025 Silverado, 2025 Silverado 2500HD, 2025 Silverado 3500HD +2 |
| PIT6450A | Service bulletin | — | Nov 14, 2025 | 2026 Silverado, 2026 Suburban, 2026 Tahoe |
| 652.30 | Over-the-air update | — | Nov 14, 2025 | 2025 Equinox, 2025 Silverado, 2024 Silverado +2 |
| PIT6452A | Service bulletin | — | Nov 13, 2025 | 2026 Silverado, 2025 Silverado, 2026 Suburban +3 |
| PIP5981G | Service bulletin | — | Nov 13, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +9 |
| PIC6629A | Service bulletin | — | Nov 13, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +39 |
| PIC6627B | Service bulletin | — | Nov 13, 2025 | 2025 Colorado, 2025 Equinox, 2026 Traverse |
| PIT6452 | Service bulletin | — | Nov 12, 2025 | 2026 Silverado, 2025 Silverado, 2026 Suburban +3 |
| PIT6451 | Service bulletin | — | Nov 12, 2025 | 2021 Silverado, 2020 Silverado, 2019 Silverado +6 |
| N252527500 | Service campaign | Suspension | Nov 12, 2025 | 2026 Silverado 2500HD, 2025 Silverado 2500HD, 2026 Silverado 3500HD +1 |
| PIT6248B | Service bulletin | — | Nov 11, 2025 | 2025 Blazer, 2024 Blazer, 2024 Colorado +4 |
| PIC6629 | Service bulletin | — | Nov 11, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +39 |
| PIC6627A | Service bulletin | — | Nov 11, 2025 | 2025 Colorado, 2025 Equinox |
| PIC6602N | Service bulletin | — | Nov 11, 2025 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| 23-NA-107 | Service bulletin | Structure, Electrical System | Nov 8, 2025 | 2026 Trax, 2025 Trax, 2024 Trax |
| PIT6450 | Service bulletin | — | Nov 7, 2025 | 2026 Silverado, 2026 Suburban, 2026 Tahoe |
| PIT6338B | Service bulletin | — | Nov 7, 2025 | 2024 Colorado |
| PIT6218C | Service bulletin | — | Nov 7, 2025 | 2026 Traverse, 2025 Traverse, 2024 Traverse |
| PIP5865J | Service bulletin | — | Nov 7, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado +9 |
| 653.50 | Over-the-air update | — | Nov 7, 2025 | 2025 Equinox, 2024 Equinox |
| 24-NA-221 | Service bulletin | Service Brakes | Nov 7, 2025 | 2026 Corvette, 2025 Corvette |
| 24-NA-166 | Service bulletin | Electrical System, Wheels | Nov 7, 2025 | 2026 Traverse, 2025 Traverse, 2024 Traverse |
| 25-NA-339 | Service bulletin | Engine | Nov 6, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +17 |
| N252526151 | Service campaign | Fuel/Propulsion System | Nov 4, 2025 | 2025 Express |
| N252526150 | Service campaign | Fuel/Propulsion System | Nov 4, 2025 | 2025 Express, 2026 Silverado, 2026 Silverado 2500HD +3 |
| 24-NA-227 | Service bulletin | Electrical System, Structure | Nov 4, 2025 | 2026 Equinox, 2025 Equinox |
| PIT6446 | Service bulletin | — | Nov 3, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +20 |
| N252508360 | Warranty extension | Engine | Nov 3, 2025 | 2022 Malibu |
| PIT6449 | Service bulletin | — | Oct 31, 2025 | 2026 Silverado, 2025 Silverado |
| PIT6406C | Service bulletin | — | Oct 31, 2025 | 2026 Corvette, 2025 Corvette, 2024 Corvette +17 |
| N252521980-01 | Service campaign | Service Brakes | Oct 31, 2025 | 2024 Blazer, 2023 Colorado |
| PIT6447 | Service bulletin | — | Oct 30, 2025 | 2026 Tahoe |
| PIT6445A | Service bulletin | — | Oct 30, 2025 | 2026 Equinox, 2026 Silverado, 2026 Suburban +1 |
| PIT6441A | Service bulletin | — | Oct 30, 2025 | 2026 Suburban, 2026 Tahoe |
| PIP6091 | Service bulletin | — | Oct 30, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +4 |
| PIP6090 | Service bulletin | — | Oct 30, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| PIP6077B | Service bulletin | — | Oct 30, 2025 | 2025 Equinox |
| PIP6021B | Service bulletin | — | Oct 30, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +3 |
| PIP5700F | Service bulletin | — | Oct 30, 2025 | 2023 Camaro, 2022 Camaro, 2021 Camaro +30 |
| PIC6627 | Service bulletin | — | Oct 30, 2025 | 2025 Colorado, 2025 Equinox |
| PIP6036C | Service bulletin | — | Oct 28, 2025 | 2026 Equinox, 2025 Equinox, 2025 Malibu +8 |
| PIP5975B | Service bulletin | — | Oct 27, 2025 | 2026 Equinox, 2025 Equinox, 2025 Malibu +12 |
| 652.20 | Over-the-air update | — | Oct 27, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +1 |
| PIT6393F | Service bulletin | — | Oct 23, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +14 |
| PIC6605A | Service bulletin | — | Oct 23, 2025 | 2026 Corvette, 2025 Corvette |
| PIC6602M | Service bulletin | — | Oct 23, 2025 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| N252499670 | Service campaign | Engine | Oct 23, 2025 | 2021 Trax |
| PIT6234A | Service bulletin | — | Oct 22, 2025 | 2026 Silverado 2500HD, 2025 Silverado 2500HD, 2024 Silverado 2500HD +17 |
| PIT6132C | Service bulletin | — | Oct 22, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +22 |
| PIT5993E | Service bulletin | — | Oct 22, 2025 | 2026 Suburban, 2025 Suburban, 2024 Suburban +9 |
| N252521980 | Service campaign | Service Brakes | Oct 22, 2025 | 2024 Blazer, 2023 Colorado |
| N25-F163BU | Over-the-air update | — | Oct 22, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +2 |
| PIC6591C | Service bulletin | — | Oct 21, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +7 |
| N252508350 | Service campaign | Engine | Oct 21, 2025 | 2021 Blazer |
| PIT6435 | Service bulletin | — | Oct 20, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +6 |
| PIP6071B | Service bulletin | — | Oct 20, 2025 | 2026 Equinox, 2025 Equinox, 2024 Equinox +1 |
| N252525920 | Service campaign | — | Oct 20, 2025 | 2026 Silverado |
| N242484750-01 | Warranty extension | Engine | Oct 20, 2025 | 2022 Trailblazer |
| N242450640-01 | Warranty extension | Engine | Oct 20, 2025 | 2021 Trailblazer |
| PIT6445 | Service bulletin | — | Oct 18, 2025 | 2026 Silverado, 2026 Suburban, 2026 Tahoe |
| PIT6425B | Service bulletin | — | Oct 18, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +170 |
| PIC6602L | Service bulletin | — | Oct 18, 2025 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| PIT6425A | Service bulletin | — | Oct 17, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +170 |
| PIP6059B | Service bulletin | — | Oct 17, 2025 | 2026 Equinox, 2025 Equinox |
| PIP5929F | Service bulletin | — | Oct 17, 2025 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +6 |
| PIC6551A | Service bulletin | — | Oct 16, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +97 |
| N232401570 | Service campaign | — | Oct 16, 2025 | 2024 Blazer, 2024 Silverado |
| PIT6443 | Service bulletin | — | Oct 14, 2025 | 2025 Silverado |
| PIC6601B | Service bulletin | — | Oct 14, 2025 | 2025 Equinox |
| N252517790 | Service campaign | Power Train | Oct 14, 2025 | 2026 Colorado, 2025 Colorado, 2025 Express +1 |
| PIT6366A | Service bulletin | — | Oct 11, 2025 | 2026 Silverado, 2025 Silverado, 2026 Suburban +3 |
| PIP6045B | Service bulletin | — | Oct 11, 2025 | 2026 Traverse, 2025 Traverse, 2024 Traverse |
| PIT6442 | Service bulletin | — | Oct 9, 2025 | 2025 Suburban, 2025 Tahoe |
| PIP6087A | Service bulletin | — | Oct 9, 2025 | 2024 Blazer, 2023 Blazer, 2022 Blazer +2 |
| PIP5929E | Service bulletin | — | Oct 9, 2025 | 2026 Trailblazer, 2025 Trailblazer, 2024 Trailblazer +6 |
| PIC6622 | Service bulletin | — | Oct 9, 2025 | 2026 Corvette, 2025 Corvette, 2024 Corvette |
| PIC6602K | Service bulletin | — | Oct 9, 2025 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| N252523390 | Service campaign | Steering | Oct 9, 2025 | 2026 Silverado |
| N242454441 -03 | Service campaign | Power Train | Oct 9, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +10 |
| PIT6441 | Service bulletin | — | Oct 8, 2025 | 2026 Suburban, 2026 Tahoe |
| PIP6089 | Service bulletin | — | Oct 8, 2025 | 2026 Corvette, 2025 Corvette, 2024 Corvette +1 |
| PIP6088 | Service bulletin | — | Oct 8, 2025 | 2023 Camaro, 2022 Camaro, 2021 Camaro +23 |
| PIT6406B | Service bulletin | — | Oct 7, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +14 |
| PIP6084A | Service bulletin | — | Oct 7, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +2 |
| N252516700 | Service campaign | — | Oct 7, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6440 | Service bulletin | — | Oct 4, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +140 |
| PIT6393E | Service bulletin | — | Oct 4, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +13 |
| 22-NA-007 | Service bulletin | Engine, Electrical System | Oct 4, 2025 | 2019 Cruze, 2018 Cruze, 2017 Cruze +1 |
| 25-NA-152 | Service bulletin | Suspension | Oct 3, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado |
| 25-NA-061 | Service bulletin | Electrical System, Structure | Oct 3, 2025 | 2025 Equinox, 2024 Equinox |
| N252516751 | Service campaign | — | Oct 2, 2025 | 2025 Brightdrop 400, 2025 Brightdrop 600 |
| N252516750 | Service campaign | — | Oct 2, 2025 | 2025 Brightdrop 400, 2025 Brightdrop 600 |
| A252515200 | Service campaign | — | Oct 2, 2025 | 2024 Traverse |
| PIT6439 | Service bulletin | — | Oct 1, 2025 | 2026 Equinox, 2025 Equinox |
| PIT6438 | Service bulletin | — | Oct 1, 2025 | 2026 Colorado |
| PIT6437 | Service bulletin | — | Oct 1, 2025 | 2026 Suburban, 2025 Suburban, 2026 Tahoe +1 |
| PIT6411B | Service bulletin | — | Oct 1, 2025 | 2026 Blazer, 2025 Blazer, 2026 Colorado +10 |
| PIT6393D | Service bulletin | — | Oct 1, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +12 |
| PIP6068C | Service bulletin | — | Oct 1, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +11 |
| 652.50 | Over-the-air update | — | Oct 1, 2025 | 2023 Silverado |
| PIP5927C | Service bulletin | — | Sep 30, 2025 | 2026 Equinox, 2025 Equinox, 2024 Equinox +1 |
| N25-251670 | Over-the-air update | — | Sep 30, 2025 | 2024 Silverado |
| PIC6607B | Service bulletin | — | Sep 27, 2025 | 2026 Silverado, 2026 Suburban, 2026 Tahoe +1 |
| N252518760 | Service campaign | — | Sep 23, 2025 | 2025 Express |
| PIT6436 | Service bulletin | — | Sep 20, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado |
| PIT6434 | Service bulletin | — | Sep 20, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| PIT6356C | Service bulletin | — | Sep 20, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +4 |
| PIT5941C | Service bulletin | — | Sep 19, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| N252521400 | Service campaign | — | Sep 17, 2025 | 2026 Silverado |
| N252507500 | Service campaign | Suspension | Sep 17, 2025 | 2025 Silverado |
| PIC6611B | Service bulletin | — | Sep 16, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2025 Trax +1 |
| N252508341 | Service campaign | Engine | Sep 16, 2025 | 2022 Silverado, 2021 Silverado, 2023 Suburban +5 |
| N252508340 | Service campaign | Engine | Sep 16, 2025 | 2023 Silverado |
| PIT6426 | Service bulletin | — | Sep 15, 2025 | 2025 Blazer, 2026 Equinox, 2025 Equinox +11 |
| PIT6393C | Service bulletin | — | Sep 15, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +13 |
| PIT6145A | Service bulletin | — | Sep 15, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +6 |
| PIP6087 | Service bulletin | — | Sep 15, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +3 |
| PIP6086 | Service bulletin | — | Sep 15, 2025 | 2019 Camaro, 2018 Camaro, 2017 Camaro +15 |
| PIP6083A | Service bulletin | — | Sep 15, 2025 | 2024 Silverado, 2023 Silverado |
| PIC6587E | Service bulletin | — | Sep 15, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +5 |
| PIT6424B | Service bulletin | — | Sep 10, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +6 |
| PIT5800D | Service bulletin | — | Sep 10, 2025 | 2024 Suburban, 2023 Suburban, 2022 Suburban +1 |
| PIT6432 | Service bulletin | — | Sep 9, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +10 |
| PIT6428 | Service bulletin | — | Sep 9, 2025 | 2022 Silverado |
| PIT5479H | Service bulletin | — | Sep 9, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado +63 |
| 13598 | Other | — | Sep 9, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +267 |
| PIT6431 | Service bulletin | — | Sep 8, 2025 | 2026 Equinox, 2026 Silverado, 2026 Suburban +1 |
| PIT6053C | Service bulletin | — | Sep 8, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +8 |
| PIP6085 | Service bulletin | — | Sep 8, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +22 |
| PIP6068B | Service bulletin | — | Sep 8, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +11 |
| PIP5865H | Service bulletin | — | Sep 8, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado +9 |
| PIC6607A | Service bulletin | — | Sep 8, 2025 | 2026 Silverado, 2026 Suburban, 2026 Tahoe +1 |
| N252510320 | Service campaign | — | Sep 8, 2025 | 2024 Silverado, 2023 Silverado, 2024 Suburban +3 |
| 25-NA-110 | Service bulletin | Suspension | Sep 6, 2025 | 2023 Suburban, 2022 Suburban, 2021 Suburban +3 |
| 24-NA-241 | Service bulletin | Engine | Sep 6, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +1 |
| 23-NA-201 | Service bulletin | Steering, Service Brakes | Sep 6, 2025 | 2023 Silverado, 2022 Silverado, 2021 Silverado +2 |
| 22-NA-080 | Service bulletin | Engine | Sep 6, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +64 |
| PIT6424A | Service bulletin | — | Sep 5, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +6 |
| PIP6084 | Service bulletin | — | Sep 5, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +3 |
| PIC6587D | Service bulletin | — | Sep 5, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +3 |
| N252510321-02 | Service campaign | — | Sep 5, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +9 |
| N252510321-01 | Service campaign | — | Sep 5, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +7 |
| PIP6083 | Service bulletin | — | Sep 4, 2025 | 2024 Silverado, 2023 Silverado |
| 25-NA-080 | Service bulletin | Power Train | Sep 4, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +4 |
| 18-NA-180 | Service bulletin | Electrical System, Fuel/Propulsion System | Sep 4, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +57 |
| N24-245213 | Over-the-air update | — | Sep 3, 2025 | 2024 Colorado, 2023 Colorado, 2024 Silverado +1 |
| 625.10 | Over-the-air update | — | Sep 3, 2025 | 2025 Blazer, 2024 Blazer |
| 25-NA-264 | Service bulletin | Service Brakes | Sep 3, 2025 | 2026 Silverado, 2026 Suburban, 2026 Tahoe |
| 25-NA-170 | Service bulletin | Engine, Visibility/Wiper | Sep 3, 2025 | 2025 Silverado, 2024 Silverado |
| 23-NA-119 | Service bulletin | Electrical System, Power Train | Sep 3, 2025 | 2023 Malibu, 2022 Malibu, 2021 Malibu +4 |
| PIT6411A | Service bulletin | — | Aug 30, 2025 | 2026 Blazer, 2025 Blazer, 2026 Equinox +4 |
| PIP5845B | Service bulletin | — | Aug 30, 2025 | 2022 Silverado, 2021 Silverado, 2022 Suburban +3 |
| PIC6618 | Service bulletin | — | Aug 30, 2025 | 2025 Corvette |
| PIC6617 | Service bulletin | — | Aug 30, 2025 | 2025 Silverado, 2025 Suburban, 2025 Tahoe |
| PIT6427 | Service bulletin | — | Aug 29, 2025 | 2026 Suburban, 2025 Suburban, 2026 Tahoe +1 |
| PIT6395A | Service bulletin | — | Aug 29, 2025 | 2025 Tahoe |
| 625.30 | Over-the-air update | — | Aug 29, 2025 | 2025 Corvette |
| 624.30 | Over-the-air update | — | Aug 29, 2025 | 2024 Corvette |
| PIT5578E | Service bulletin | — | Aug 27, 2025 | 2024 Equinox, 2023 Equinox, 2022 Equinox +4 |
| PIC6583F | Service bulletin | — | Aug 27, 2025 | 2025 Silverado, 2025 Suburban, 2025 Tahoe |
| N252519910 | Service campaign | Service Brakes | Aug 27, 2025 | 2025 Blazer, 2025 Equinox |
| PIT5854D | Service bulletin | — | Aug 26, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +12 |
| PIP6077A | Service bulletin | — | Aug 26, 2025 | 2025 Equinox |
| N252494250 | Service campaign | Wheels | Aug 26, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +5 |
| PIC6583E | Service bulletin | — | Aug 23, 2025 | 2025 Silverado, 2025 Suburban, 2025 Tahoe |
| PIT6236B | Service bulletin | — | Aug 22, 2025 | 2026 Equinox, 2025 Equinox, 2024 Equinox +10 |
| PIP6082 | Service bulletin | — | Aug 22, 2025 | 2025 Trailblazer |
| PIP6081 | Service bulletin | — | Aug 22, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +4 |
| PIP5865G | Service bulletin | — | Aug 22, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado +9 |
| PIT6424 | Service bulletin | — | Aug 21, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +6 |
| PIT6338A | Service bulletin | — | Aug 21, 2025 | 2024 Colorado |
| PIC6455A | Service bulletin | — | Aug 20, 2025 | 2026 Corvette, 2025 Corvette, 2024 Corvette +4 |
| N242482170-01 | Service campaign | Service Brakes | Aug 20, 2025 | 2024 Traverse |
| PIT6423 | Service bulletin | — | Aug 19, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +15 |
| PIT6213C | Service bulletin | — | Aug 19, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +2 |
| PIP6068A | Service bulletin | — | Aug 19, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +11 |
| N252512530 | Service campaign | — | Aug 18, 2025 | 2025 Tahoe |
| N25-F165AN | Over-the-air update | — | Aug 18, 2025 | 2025 Colorado |
| PIT6379C | Service bulletin | — | Aug 15, 2025 | 2025 Colorado |
| PIT6368B | Service bulletin | — | Aug 15, 2025 | 2026 Blazer, 2025 Blazer, 2026 Equinox +11 |
| PIT6110H | Service bulletin | — | Aug 15, 2025 | 2025 Express, 2024 Express, 2023 Express +15 |
| PIT5895E | Service bulletin | — | Aug 15, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +12 |
| PIP5865F | Service bulletin | — | Aug 15, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +7 |
| PIC6602H | Service bulletin | — | Aug 15, 2025 | 2025 Corvette, 2024 Corvette, 2026 Silverado +16 |
| PIP4902T | Service bulletin | — | Aug 14, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +267 |
| PIC6511B | Service bulletin | — | Aug 14, 2025 | 2025 Traverse, 2024 Traverse |
| N252510321 | Service campaign | — | Aug 14, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +5 |
| 652.10 | Over-the-air update | — | Aug 11, 2025 | 2025 Silverado, 2024 Silverado, 2025 Traverse +1 |
| 604.02 | Over-the-air update | — | Aug 11, 2025 | 2024 Blazer |
| PIP6080 | Service bulletin | — | Aug 9, 2025 | 2026 Trax |
| PIP6046A | Service bulletin | — | Aug 9, 2025 | 2025 Trax |
| PIT6394B | Service bulletin | — | Aug 8, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +9 |
| PIT6059C | Service bulletin | — | Aug 8, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +93 |
| PIP5929D | Service bulletin | — | Aug 8, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +4 |
| PIT6310A | Service bulletin | — | Aug 7, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6235B | Service bulletin | — | Aug 7, 2025 | 2025 Blazer, 2024 Blazer |
| PIP6079 | Service bulletin | — | Aug 7, 2025 | 2026 Equinox, 2025 Equinox |
| PIC5650M | Service bulletin | — | Aug 7, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +267 |
| N25-251032 | Over-the-air update | — | Aug 7, 2025 | 2024 Silverado, 2023 Silverado |
| N25-250403 | Over-the-air update | — | Aug 7, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| N25-250380 | Over-the-air update | — | Aug 7, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| N25-250307 | Over-the-air update | — | Aug 7, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| N252517721 | Service campaign | — | Aug 6, 2025 | 2026 Traverse |
| PIT6396A | Service bulletin | — | Aug 5, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +8 |
| PIT6247A | Service bulletin | — | Aug 5, 2025 | 2025 Blazer, 2024 Blazer, 2022 Equinox +31 |
| PIT6006C | Service bulletin | — | Aug 5, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +6 |
| 652.40 | Over-the-air update | — | Aug 5, 2025 | 2025 Silverado, 2024 Silverado |
| PIP6031C | Service bulletin | — | Aug 4, 2025 | 2026 Equinox, 2025 Equinox, 2025 Malibu +8 |
| N252503960 | Service campaign | — | Aug 2, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| PIT6421 | Service bulletin | — | Jul 31, 2025 | 2026 Colorado |
| PIT6418 | Service bulletin | — | Jul 31, 2025 | 2025 Traverse |
| PIT5161L | Service bulletin | — | Jul 31, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +30 |
| PIP6077 | Service bulletin | — | Jul 31, 2025 | 2025 Equinox |
| PIT6415 | Service bulletin | — | Jul 30, 2025 | 2026 Suburban, 2025 Suburban, 2024 Suburban +9 |
| PIC6602G | Service bulletin | — | Jul 30, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +12 |
| PIT6212D | Service bulletin | — | Jul 29, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado +15 |
| PIT6387A | Service bulletin | — | Jul 28, 2025 | 2024 Colorado |
| PIP5865E | Service bulletin | — | Jul 28, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +21 |
| PIT6393B | Service bulletin | — | Jul 26, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +12 |
| PIT6413 | Service bulletin | — | Jul 25, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +7 |
| PIT6289A | Service bulletin | — | Jul 24, 2025 | 2024 Suburban, 2023 Suburban, 2022 Suburban +3 |
| PIP6023C | Service bulletin | — | Jul 24, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +3 |
| PIC6602F | Service bulletin | — | Jul 24, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +13 |
| N242480631-04 | Service campaign | — | Jul 23, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| N242435630-05 | Service campaign | — | Jul 23, 2025 | 2023 Corvette, 2024 Silverado, 2023 Silverado +6 |
| N24-248403 (V604.01) | Over-the-air update | — | Jul 22, 2025 | 2024 Blazer |
| N252504660 | Service campaign | — | Jul 21, 2025 | 2025 Silverado, 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| PIT6412 | Service bulletin | — | Jul 18, 2025 | 2025 Suburban, 2024 Suburban, 2025 Tahoe +1 |
| PIT5910B | Service bulletin | — | Jul 18, 2025 | 2022 Silverado, 2022 Suburban, 2022 Tahoe |
| PIP5601C | Service bulletin | — | Jul 18, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +97 |
| PIP5601B | Service bulletin | Equipment | Jul 18, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +219 |
| PIP6031B | Service bulletin | — | Jul 17, 2025 | 2026 Equinox, 2025 Equinox, 2025 Malibu +8 |
| PIP5774B | Service bulletin | — | Jul 17, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +14 |
| N252512260 | Service campaign | Steering | Jul 17, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado |
| PIT6399A | Service bulletin | — | Jul 16, 2025 | 2025 Tahoe |
| PIT6379B | Service bulletin | — | Jul 16, 2025 | 2025 Colorado |
| PIT6274C | Service bulletin | — | Jul 16, 2025 | 2026 Blazer, 2025 Blazer, 2026 Equinox +7 |
| PIT5074S | Service bulletin | — | Jul 16, 2025 | 2026 Blazer, 2025 Blazer, 2026 Colorado +32 |
| N252502891 | Service campaign | Engine | Jul 16, 2025 | 2024 Blazer, 2024 Silverado, 2025 Brightdrop 600 |
| N252502890 | Service campaign | Engine | Jul 16, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIT6014B | Service bulletin | — | Jul 15, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| PIT6379A | Service bulletin | — | Jul 12, 2025 | 2025 Colorado |
| PIP6045A | Service bulletin | — | Jul 11, 2025 | 2025 Traverse, 2024 Traverse |
| PIP6010B | Service bulletin | — | Jul 11, 2025 | 2026 Equinox, 2025 Equinox |
| PIC6563D | Service bulletin | — | Jul 11, 2025 | 2025 Trax, 2024 Trax |
| N25-250378 (V652.20) | Over-the-air update | — | Jul 9, 2025 | 2025 Equinox, 2024 Equinox |
| N25-249763 (V652.40) | Over-the-air update | — | Jul 9, 2025 | 2025 Equinox, 2024 Equinox |
| N25-249372 (V652.30) | Over-the-air update | — | Jul 9, 2025 | 2024 Equinox |
| N25-249372_1 (V652.30) | Over-the-air update | — | Jul 9, 2025 | 2025 Equinox, 2024 Equinox |
| PIT6406A | Service bulletin | — | Jul 8, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +7 |
| PIT6268B | Service bulletin | — | Jul 8, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6031A | Service bulletin | — | Jul 8, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +1 |
| PIT5691E | Service bulletin | — | Jul 3, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +6 |
| PIT6411 | Service bulletin | — | Jul 2, 2025 | 2026 Blazer, 2025 Blazer, 2026 Equinox +5 |
| PIT6393A | Service bulletin | — | Jul 2, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +12 |
| PIP6075 | Service bulletin | — | Jul 2, 2025 | 2025 Corvette, 2024 Corvette |
| PIT6410 | Service bulletin | — | Jun 30, 2025 | 2026 Colorado, 2025 Colorado, 2024 Colorado |
| PIT6407 | Service bulletin | — | Jun 30, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| PIT6406 | Service bulletin | — | Jun 30, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +11 |
| PIT6404 | Service bulletin | — | Jun 30, 2025 | 2025 Blazer, 2025 Colorado, 2024 Colorado +11 |
| PIT6394A | Service bulletin | — | Jun 30, 2025 | 2025 Traverse, 2024 Traverse |
| PIP6071A | Service bulletin | — | Jun 30, 2025 | 2026 Equinox, 2025 Equinox, 2024 Equinox +1 |
| PIC6611A | Service bulletin | — | Jun 30, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2025 Trax +1 |
| PIC6602E | Service bulletin | — | Jun 30, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +13 |
| PIT6101S | Service bulletin | — | Jun 29, 2025 | 2024 Blazer, 2023 Blazer, 2025 Express +19 |
| PIT6408 | Service bulletin | — | Jun 28, 2025 | 2025 Silverado, 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| PIP6076 | Service bulletin | — | Jun 27, 2025 | 2025 Corvette, 2024 Corvette |
| PIT5832V | Service bulletin | — | Jun 26, 2025 | 2025 Blazer, 2024 Blazer, 2026 Colorado +40 |
| N252494220 | Service campaign | Service Brakes | Jun 26, 2025 | 2025 Corvette, 2025 Equinox |
| N252494003-01 | Service campaign | Power Train | Jun 26, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +9 |
| PIT6405 | Service bulletin | — | Jun 24, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +9 |
| PIP6031A | Service bulletin | — | Jun 24, 2025 | 2025 Equinox, 2025 Malibu, 2024 Malibu +6 |
| N252508800 | Service campaign | Suspension | Jun 24, 2025 | 2025 Silverado |
| PIP5929C | Service bulletin | — | Jun 21, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +4 |
| PIT6302B | Service bulletin | — | Jun 20, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado +2 |
| PIP5781C | Service bulletin | — | Jun 20, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +3 |
| PIC6602D | Service bulletin | — | Jun 20, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +13 |
| N252494770-01 | Service campaign | — | Jun 20, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +149 |
| PIT6402 | Service bulletin | — | Jun 19, 2025 | 2026 Silverado, 2025 Silverado, 2024 Silverado |
| PIT6401 | Service bulletin | — | Jun 19, 2025 | 2025 Blazer, 2024 Blazer, 2026 Colorado +35 |
| PIT6336B | Service bulletin | — | Jun 19, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| PIP6073 | Service bulletin | — | Jun 19, 2025 | 2025 Silverado, 2025 Tahoe |
| PIP6032B | Service bulletin | — | Jun 19, 2025 | 2026 Equinox, 2025 Equinox, 2025 Malibu +12 |
| PIP6019B | Service bulletin | — | Jun 19, 2025 | 2026 Equinox, 2025 Equinox, 2024 Equinox |
| PIC6563C | Service bulletin | — | Jun 19, 2025 | 2025 Trax, 2024 Trax |
| PIT6403 | Service bulletin | — | Jun 18, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6393 | Service bulletin | — | Jun 18, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +11 |
| PIP6074 | Service bulletin | — | Jun 18, 2025 | 2026 Equinox, 2025 Equinox |
| PIP6062 | Service bulletin | — | Jun 18, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| PIC6086J | Service bulletin | — | Jun 18, 2025 | 2026 Equinox, 2025 Equinox, 2025 Silverado +29 |
| N242480631-03 | Warranty extension | — | Jun 18, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| PIT6400 | Service bulletin | — | Jun 17, 2025 | 2022 Equinox, 2025 Express, 2024 Express +56 |
| PIT6362D | Service bulletin | — | Jun 17, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +7 |
| PIP6072 | Service bulletin | — | Jun 17, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +5 |
| PIC6611 | Service bulletin | — | Jun 17, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2025 Trax +1 |
| N252494770 | Service campaign | — | Jun 17, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +181 |
| N25-250020 | Over-the-air update | — | Jun 17, 2025 | 2025 Colorado, 2026 Silverado 2500HD |
| N242452140-01 | Service campaign | — | Jun 17, 2025 | 2025 Silverado, 2024 Silverado |
| N25-250322 | Over-the-air update | — | Jun 16, 2025 | 2026 Equinox |
| PIP6071 | Service bulletin | — | Jun 13, 2025 | 2025 Equinox, 2024 Equinox, 2023 Equinox +1 |
| PIT6399 | Service bulletin | — | Jun 12, 2025 | 2025 Tahoe |
| PIT6398 | Service bulletin | — | Jun 12, 2025 | 2022 Corvette, 2021 Corvette, 2025 Silverado 2500HD +9 |
| PIT6397 | Service bulletin | — | Jun 12, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6110G | Service bulletin | — | Jun 12, 2025 | 2025 Express, 2024 Express, 2023 Express +9 |
| PIP6068 | Service bulletin | — | Jun 12, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +10 |
| N252506312 | Service campaign | — | Jun 12, 2025 | 2025 Equinox |
| N252506311 | Service campaign | — | Jun 12, 2025 | 2025 Equinox |
| N252506310 | Service campaign | — | Jun 12, 2025 | 2025 Equinox |
| PIT6396 | Service bulletin | — | Jun 11, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +8 |
| PIP6069 | Service bulletin | — | Jun 11, 2025 | 2024 Silverado, 2024 Suburban, 2024 Tahoe |
| PIT6180A | Service bulletin | — | Jun 10, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +236 |
| N252503850 | Warranty extension | Engine | Jun 10, 2025 | 2023 Traverse |
| PIP4902S | Service bulletin | — | Jun 9, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +266 |
| 25-NA-156 | Service bulletin | Wheels | Jun 7, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +259 |
| 25-NA-021 | Service bulletin | Electrical System | Jun 7, 2025 | 2025 Equinox, 2025 Suburban, 2025 Tahoe +1 |
| PIT6395 | Service bulletin | — | Jun 5, 2025 | 2025 Tahoe |
| PIT6394 | Service bulletin | — | Jun 5, 2025 | 2025 Traverse, 2024 Traverse |
| PIE0831A | Service bulletin | Engine, Electrical System | Jun 5, 2025 | 2025 Trailblazer, 2024 Trailblazer |
| PIE0829A | Service bulletin | Electrical System, Structure | Jun 5, 2025 | 2026 Equinox, 2025 Equinox, 2024 Equinox |
| PIC6587C | Service bulletin | — | Jun 5, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +5 |
| N242451030-03 | Service campaign | — | Jun 5, 2025 | 2023 Colorado |
| 25-NA-150 | Service bulletin | Engine | Jun 5, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| 24-NA-272 | Service bulletin | Back Over Prevention, Electrical System | Jun 5, 2025 | 2025 Traverse, 2024 Traverse |
| 00-06-01-026R | Service bulletin | Engine | Jun 5, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +225 |
| PIE0815A | Service bulletin | Engine | Jun 3, 2025 | 2024 Corvette, 2023 Corvette |
| 25-NA-147 | Service bulletin | Engine | Jun 3, 2025 | 2024 Equinox, 2023 Equinox |
| 24-NA-262 | Service bulletin | Power Train | Jun 3, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +9 |
| PIT6392 | Service bulletin | — | Jun 2, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6362C | Service bulletin | — | Jun 2, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +7 |
| PIT6239B | Service bulletin | — | Jun 2, 2025 | 2025 Blazer |
| 07-08-42-006U | Service bulletin | Exterior Lighting | Jun 2, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +21 |
| PIT6287A | Service bulletin | — | May 30, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT5074R | Service bulletin | — | May 30, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +266 |
| PIC6609 | Service bulletin | — | May 30, 2025 | 2025 Blazer, 2025 Equinox |
| PIP4964F | Service bulletin | — | May 29, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +28 |
| PIC6602C | Service bulletin | — | May 29, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +13 |
| N25-F172AE | Over-the-air update | — | May 28, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +7 |
| PIP5981F | Service bulletin | — | May 27, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +6 |
| N242480631-02 | Service campaign | Power Train | May 27, 2025 | 2021 Camaro, 2020 Camaro |
| PIT6390 | Service bulletin | — | May 23, 2025 | 2025 Silverado, 2024 Silverado |
| PIP6066A | Service bulletin | — | May 23, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| N252494003 | Service campaign | Engine | May 23, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +9 |
| N24-247054 | Over-the-air update | — | May 23, 2025 | 2024 Blazer |
| PIT6389 | Service bulletin | — | May 22, 2025 | 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| PIT5966E | Service bulletin | — | May 22, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +115 |
| N242480631-01 | Service campaign | Power Train | May 22, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| PIT6355 | Service bulletin | — | May 21, 2025 | 2025 Blazer, 2024 Blazer, 2025 Silverado +1 |
| PIT6270C | Service bulletin | — | May 21, 2025 | 2026 Equinox, 2025 Equinox |
| N242483540-01 | Service campaign | Power Train | May 21, 2025 | 2024 Silverado |
| PIT6387 | Service bulletin | — | May 20, 2025 | 2025 Colorado, 2024 Colorado |
| PIT6356B | Service bulletin | — | May 20, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +4 |
| PIT6098D | Service bulletin | — | May 20, 2025 | 2024 Traverse |
| PIP6010A | Service bulletin | — | May 20, 2025 | 2025 Equinox |
| PIT6388 | Service bulletin | — | May 19, 2025 | 2025 Tahoe |
| PIP6064 | Service bulletin | — | May 19, 2025 | 2025 Silverado, 2025 Suburban, 2025 Tahoe |
| N24-G172AE | Over-the-air update | — | May 19, 2025 | 2025 Equinox |
| N24-248967 | Over-the-air update | — | May 19, 2025 | 2025 Equinox, 2025 Suburban, 2025 Tahoe |
| PIT6076C | Service bulletin | — | May 17, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +11 |
| PIP6066 | Service bulletin | — | May 17, 2025 | 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| 25-NA-132 | Service bulletin | Engine | May 17, 2025 | 2025 Traverse, 2024 Traverse |
| 22-NA-161 | Service bulletin | Equipment, Visibility/Wiper | May 17, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +16 |
| 22-NA-083 | Service bulletin | Electrical System, Fuel/Propulsion System | May 17, 2025 | 2025 Blazer, 2024 Blazer, 2023 Bolt EUV +5 |
| PIT6379 | Service bulletin | — | May 16, 2025 | 2025 Colorado, 2026 Equinox, 2025 Equinox +2 |
| PIT6304D | Service bulletin | — | May 16, 2025 | 2025 Silverado, 2024 Silverado |
| PIE0840 | Service bulletin | Engine, Electrical System | May 16, 2025 | 2025 Colorado, 2024 Colorado |
| 25-NA-127 | Service bulletin | Structure | May 16, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| 24-NA-201 | Service bulletin | Engine, Electrical System | May 16, 2025 | 2025 Traverse, 2024 Traverse |
| 23-NA-170 | Service bulletin | Engine, Electrical System | May 16, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +45 |
| 23-NA-151 | Service bulletin | Electrical System, Fuel/Propulsion System | May 16, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +5 |
| 22-NA-182 | Service bulletin | Power Train | May 16, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +22 |
| PIE0753I | Service bulletin | Electrical System, Fuel/Propulsion System | May 15, 2025 | 2025 Blazer, 2024 Blazer, 2023 Bolt EUV +14 |
| N24-F172AE | Over-the-air update | — | May 15, 2025 | 2024 Corvette |
| N232427510-02 | Service campaign | — | May 15, 2025 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +9 |
| 25-NA-124 | Service bulletin | Suspension | May 15, 2025 | 2025 Colorado, 2024 Colorado |
| 23-NA-153 | Service bulletin | Engine, Power Train | May 15, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +232 |
| PIC6602B | Service bulletin | — | May 14, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +13 |
| 25-NA-044 | Service bulletin | Electrical System, Fuel/Propulsion System | May 14, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +5 |
| 24-NA-202 | Service bulletin | Electrical System, Fuel/Propulsion System | May 14, 2025 | 2025 Blazer, 2024 Blazer, 2023 Bolt EUV +12 |
| 24-NA-170 | Service bulletin | Engine, Electrical System | May 14, 2025 | 2024 Colorado, 2023 Colorado |
| 23-NA-202 | Service bulletin | Electrical System, Fuel/Propulsion System | May 14, 2025 | 2025 Silverado, 2024 Silverado, 2025 Brightdrop 400 +1 |
| PIT6385 | Service bulletin | — | May 13, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| PIT6383 | Service bulletin | — | May 13, 2025 | 2025 Colorado, 2024 Colorado |
| PIT6381 | Service bulletin | — | May 13, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6378 | Service bulletin | — | May 13, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +3 |
| PIT6362B | Service bulletin | — | May 13, 2025 | 2024 Blazer, 2025 Colorado, 2024 Colorado +6 |
| PIT6356A | Service bulletin | — | May 13, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +4 |
| PIP6060 | Service bulletin | — | May 13, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +3 |
| PIC6587B | Service bulletin | — | May 13, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +5 |
| 25-NA-121 | Service bulletin | Electrical System | May 13, 2025 | 2025 Silverado, 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| 24-NA-235 | Service bulletin | Electrical System, Steering | May 13, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| PIT6380 | Service bulletin | — | May 12, 2025 | 2025 Equinox, 2024 Equinox |
| PIT6192C | Service bulletin | — | May 12, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +1 |
| PIP6059A | Service bulletin | — | May 12, 2025 | 2025 Equinox |
| 25-NA-108 | Service bulletin | Power Train, Electrical System | May 12, 2025 | 2025 Silverado, 2024 Silverado, 2025 Brightdrop 400 +1 |
| PIE0824A | Service bulletin | Power Train | May 10, 2025 | 2025 Colorado, 2025 Silverado, 2025 Silverado 2500HD +3 |
| 25-NA-116 | Service bulletin | Steering, Electrical System | May 10, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +2 |
| PIP5865D | Service bulletin | — | May 9, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +7 |
| PIE0837 | Service bulletin | Visibility/Wiper, Structure | May 9, 2025 | 2026 Equinox, 2025 Equinox |
| PIE0836 | Service bulletin | Fuel/Propulsion System, Electrical System | May 9, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +5 |
| PIE0835 | Service bulletin | Power Train | May 9, 2025 | 2025 Corvette |
| 25-NA-119 | Service bulletin | Electrical System, Air Bags | May 9, 2025 | 2025 Blazer, 2024 Blazer, 2025 Silverado +9 |
| 25-NA-113 | Service bulletin | Engine | May 9, 2025 | 2025 Traverse, 2024 Traverse |
| 25-NA-102 | Service bulletin | Engine | May 9, 2025 | 2024 Traverse |
| 25-NA-085 | Service bulletin | Electrical System | May 9, 2025 | 2025 Colorado, 2025 Equinox, 2025 Suburban +1 |
| 23-NA-122 | Service bulletin | Engine | May 9, 2025 | 2024 Trailblazer, 2023 Trailblazer, 2022 Trailblazer +2 |
| PIT6367A | Service bulletin | — | May 8, 2025 | 2024 Corvette, 2025 Silverado, 2024 Silverado +12 |
| PIT6300A | Service bulletin | — | May 8, 2025 | 2024 Silverado, 2023 Silverado |
| PIT6101R | Service bulletin | — | May 8, 2025 | 2024 Blazer, 2023 Blazer, 2024 Silverado +8 |
| PIP6063 | Service bulletin | — | May 8, 2025 | 2025 Trailblazer |
| PIP6036B | Service bulletin | — | May 8, 2025 | 2025 Equinox, 2025 Malibu, 2024 Malibu +6 |
| PIP5946A | Service bulletin | — | May 8, 2025 | 2024 Colorado, 2023 Colorado, 2024 Silverado |
| PIE0806B | Service bulletin | Structure | May 8, 2025 | 2024 Suburban, 2023 Suburban, 2024 Tahoe +1 |
| 25-NA-118 | Service bulletin | Forward Collision Avoidance | May 8, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +115 |
| 25-NA-114 | Service bulletin | Structure | May 8, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +19 |
| 25-NA-014 | Service bulletin | Power Train | May 8, 2025 | 2025 Silverado, 2024 Silverado |
| 24-NA-075 | Service bulletin | Power Train, Suspension | May 8, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| 21-NA-238 | Service bulletin | Power Train, Equipment | May 8, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +9 |
| PIT6212C | Service bulletin | — | May 7, 2025 | 2025 Colorado, 2024 Colorado, 2025 Silverado +9 |
| PIP6054 | Service bulletin | — | May 7, 2025 | 2023 Corvette |
| PIE0814B | Service bulletin | Power Train, Electrical System | May 7, 2025 | 2025 Equinox |
| N252504200 | Service campaign | — | May 7, 2025 | 2026 LOW Cab Forward 5500, 2025 LOW Cab Forward N Series |
| A252503090 | Service campaign | Service Brakes | May 7, 2025 | 2025 Trax |
| 25-NA-112 | Service bulletin | Engine | May 7, 2025 | 2025 Traverse, 2024 Traverse |
| 24-NA-138 | Service bulletin | Forward Collision Avoidance, Electrical System | May 7, 2025 | 2024 Colorado, 2024 Corvette |
| 24-NA-078 | Service bulletin | Power Train, Engine | May 7, 2025 | 2024 Colorado, 2023 Colorado, 2024 Silverado +1 |
| 15-NA-010 | Service bulletin | Engine | May 7, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +240 |
| PIT6377 | Service bulletin | — | May 6, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6369A | Service bulletin | — | May 6, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +13 |
| PIT6215B | Service bulletin | — | May 6, 2025 | 2024 Blazer, 2023 Colorado, 2026 Equinox +6 |
| N252503100 | Service campaign | — | May 6, 2025 | 2025 Silverado, 2024 Silverado |
| N252502270 | Service campaign | — | May 6, 2025 | 2025 Suburban, 2025 Tahoe |
| N25-250520 | Over-the-air update | — | May 6, 2025 | 2025 Silverado, 2024 Silverado, 2024 Suburban +3 |
| N242451390-03 | Service campaign | — | May 6, 2025 | 2025 Silverado, 2024 Silverado |
| 25-NA-045 | Service bulletin | Visibility/Wiper | May 6, 2025 | 2025 Equinox, 2024 Equinox |
| PIT6376 | Service bulletin | — | May 5, 2025 | 2025 Tahoe |
| PIT6349A | Service bulletin | — | May 5, 2025 | 2025 Equinox, 2025 Suburban, 2025 Tahoe |
| PIT6281B | Service bulletin | — | May 5, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6268A | Service bulletin | — | May 5, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6129B | Service bulletin | — | May 5, 2025 | 2024 Silverado |
| PIT6018J | Service bulletin | — | May 5, 2025 | 2024 Blazer, 2024 Colorado, 2023 Colorado +1 |
| PIP6043A | Service bulletin | — | May 5, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIP5810C | Service bulletin | — | May 5, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +9 |
| N242487960-01 | Service campaign | — | May 5, 2025 | 2025 Corvette, 2024 Corvette |
| 25-NA-111 | Service bulletin | Engine | May 5, 2025 | 2025 Traverse, 2024 Traverse |
| PIE0834 | Service bulletin | Electrical System, Structure | May 3, 2025 | 2025 Silverado, 2024 Silverado |
| PIC6602A | Service bulletin | — | May 2, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +13 |
| N242468490-01 | Service campaign | — | May 2, 2025 | 2025 Blazer, 2024 Blazer |
| PIP6061 | Service bulletin | Fuel/Propulsion System | May 1, 2025 | 2025 Traverse, 2024 Traverse |
| PIC6605 | Service bulletin | — | May 1, 2025 | 2025 Corvette |
| N232427510-01 | Service campaign | — | May 1, 2025 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +9 |
| PIT6373 | Service bulletin | — | Apr 30, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| PIT6270B | Service bulletin | — | Apr 30, 2025 | 2026 Equinox, 2025 Equinox |
| PIP6058A | Service bulletin | — | Apr 30, 2025 | 2025 Trax, 2024 Trax |
| PIC6602 | Service bulletin | — | Apr 30, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +13 |
| 25-NA-037 | Service bulletin | Engine | Apr 30, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +7 |
| 24-NA-244 | Service bulletin | Electrical System, Fuel/Propulsion System | Apr 30, 2025 | 2025 Traverse, 2024 Traverse |
| 24-NA-156 | Service bulletin | Structure | Apr 30, 2025 | 2024 Equinox |
| 20-NA-051 | Service bulletin | Equipment, Electrical System | Apr 30, 2025 | 2022 Silverado 3500HD, 2021 Silverado 3500HD, 2020 Silverado 3500HD +55 |
| 16-NA-331 | Service bulletin | Wheels, Equipment | Apr 30, 2025 | 2022 Silverado 3500HD, 2021 Silverado 3500HD, 2020 Silverado 3500HD +55 |
| PIP6021A | Service bulletin | — | Apr 29, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIP5958B | Service bulletin | — | Apr 29, 2025 | 2025 Equinox, 2025 Malibu, 2024 Malibu +10 |
| N24-246898 | Over-the-air update | — | Apr 29, 2025 | 2024 Equinox |
| N232427510 | Service campaign | — | Apr 29, 2025 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +10 |
| 25-NA-101 | Service bulletin | Seats, Electrical System | Apr 29, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +13 |
| PIT6331B | Service bulletin | — | Apr 28, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6155D | Service bulletin | — | Apr 28, 2025 | 2025 Blazer, 2024 Blazer, 2024 Silverado |
| PIT6056A | Service bulletin | — | Apr 28, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +8 |
| PIP6058 | Service bulletin | — | Apr 28, 2025 | 2025 Trax |
| PIE0832 | Service bulletin | Engine | Apr 28, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| 24-NA-143 | Service bulletin | Electrical System, Fuel/Propulsion System | Apr 25, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +5 |
| 22-NA-242 | Service bulletin | Electrical System | Apr 24, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +60 |
| 24-NA-113 | Service bulletin | Electrical System | Apr 23, 2025 | 2025 Blazer, 2024 Blazer, 2023 Colorado +9 |
| 23-NA-097 | Service bulletin | Structure, Latches/Locks/Linkages | Apr 23, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +2 |
| PIT6368A | Service bulletin | — | Apr 22, 2025 | 2026 Silverado, 2025 Silverado, 2025 Suburban +3 |
| PIE0831 | Service bulletin | Engine, Electrical System | Apr 22, 2025 | 2025 Trailblazer, 2024 Trailblazer |
| PIC6587A | Service bulletin | — | Apr 22, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +3 |
| N25-249456 | Over-the-air update | — | Apr 22, 2025 | 2025 Blazer, 2024 Blazer |
| 25-NA-099 | Service bulletin | Electrical System | Apr 22, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +2 |
| 24-NA-068 | Service bulletin | Engine, Electrical System | Apr 22, 2025 | 2024 Blazer, 2023 Blazer, 2022 Blazer +2 |
| 21-NA-240 | Service bulletin | Engine | Apr 22, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +3 |
| PIT6372 | Service bulletin | — | Apr 18, 2025 | 2026 Equinox |
| PIT6369 | Service bulletin | — | Apr 18, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +13 |
| PIT6368 | Service bulletin | — | Apr 18, 2025 | 2025 Silverado, 2024 Silverado, 2025 Suburban +3 |
| PIT6317B | Service bulletin | — | Apr 18, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +9 |
| PIT6248A | Service bulletin | — | Apr 18, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +8 |
| PIT6144G | Service bulletin | — | Apr 18, 2025 | 2024 Suburban, 2023 Suburban, 2022 Suburban +6 |
| PIT6110F | Service bulletin | — | Apr 18, 2025 | 2022 Equinox, 2025 Express, 2024 Express +25 |
| PIP6059 | Service bulletin | — | Apr 18, 2025 | 2025 Equinox |
| PIE0829 | Service bulletin | Structure, Electrical System | Apr 18, 2025 | 2026 Equinox, 2025 Equinox, 2024 Equinox |
| PIC6589A | Service bulletin | — | Apr 18, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +2 |
| 25-NA-100 | Service bulletin | Engine | Apr 18, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +170 |
| 25-NA-098 | Service bulletin | Electrical System | Apr 18, 2025 | 2025 Corvette, 2024 Corvette |
| 24-NA-176 | Service bulletin | Electrical System, Steering | Apr 18, 2025 | 2024 Blazer, 2024 Colorado, 2023 Colorado +3 |
| 24-NA-142 | Service bulletin | Electrical System, Forward Collision Avoidance | Apr 18, 2025 | 2025 Traverse, 2024 Traverse |
| PIT6304C | Service bulletin | — | Apr 17, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6286A | Service bulletin | — | Apr 17, 2025 | 2025 Silverado, 2024 Silverado |
| PIP5863C | Service bulletin | — | Apr 17, 2025 | 2024 Blazer, 2023 Blazer, 2022 Blazer +10 |
| PI0281L | Service bulletin | Steering, Power Train | Apr 17, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +193 |
| 25-NA-097 | Service bulletin | Electrical System, Wheels | Apr 17, 2025 | 2025 Suburban, 2025 Tahoe |
| 25-NA-090 | Service bulletin | Engine | Apr 17, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +3 |
| PIT6335A | Service bulletin | — | Apr 16, 2025 | 2025 Blazer, 2024 Blazer, 2024 Colorado +12 |
| PIT6151B | Service bulletin | — | Apr 16, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +25 |
| PIT6105D | Service bulletin | — | Apr 16, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +13 |
| PIT5989C | Service bulletin | — | Apr 16, 2025 | 2025 Tahoe, 2024 Tahoe, 2023 Tahoe +2 |
| PIP6008E | Service bulletin | — | Apr 16, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +22 |
| PIP5841F | Service bulletin | — | Apr 16, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +3 |
| PIE0828 | Service bulletin | Fuel/Propulsion System, Electrical System | Apr 16, 2025 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +1 |
| PIC6552E | Service bulletin | — | Apr 16, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +51 |
| 25-NA-096 | Service bulletin | Electrical System, Steering | Apr 16, 2025 | 2025 Suburban, 2025 Tahoe |
| 25-NA-095 | Service bulletin | Engine, Electrical System | Apr 16, 2025 | 2025 Silverado, 2024 Silverado, 2025 Suburban +3 |
| 24-NA-151 | Service bulletin | Structure | Apr 16, 2025 | 2025 Silverado, 2024 Silverado |
| 24-NA-022 | Service bulletin | Seats | Apr 16, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| 23-NA-115 | Service bulletin | Engine, Electrical System | Apr 16, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette |
| PIT6098C | Service bulletin | — | Apr 15, 2025 | 2024 Traverse |
| PIP5926D | Service bulletin | — | Apr 15, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +9 |
| N242476670 | Service campaign | — | Apr 15, 2025 | 2025 Corvette, 2024 Corvette |
| 25-NA-094 | Service bulletin | Electrical System, Lane Departure | Apr 15, 2025 | 2026 Equinox |
| 25-NA-039 | Service bulletin | — | Apr 15, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +7 |
| 21-NA-166 | Service bulletin | Electrical System, Steering | Apr 15, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +25 |
| PIT6362A | Service bulletin | — | Apr 14, 2025 | 2024 Blazer, 2025 Colorado, 2024 Colorado +8 |
| PIE0794E | Service bulletin | Engine | Apr 14, 2025 | 2025 Blazer, 2024 Blazer |
| 23-NA-198 | Service bulletin | Electrical System, Equipment | Apr 14, 2025 | 2025 Trax, 2024 Trax |
| PIT5551R | Service bulletin | — | Apr 12, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +106 |
| PIP6057 | Service bulletin | — | Apr 12, 2025 | 2025 Equinox |
| PIC6593A | Service bulletin | — | Apr 12, 2025 | 2025 Trailblazer, 2024 Trailblazer |
| 24-NA-139 | Service bulletin | Fuel/Propulsion System, Engine | Apr 12, 2025 | 2023 Blazer, 2022 Blazer, 2021 Blazer +28 |
| PIT6367 | Service bulletin | — | Apr 11, 2025 | 2024 Corvette, 2025 Silverado, 2024 Silverado +12 |
| 25-NA-093 | Service bulletin | Electrical System, Engine | Apr 11, 2025 | 2024 Suburban, 2024 Tahoe |
| 24-NA-094 | Service bulletin | Electrical System, Engine | Apr 11, 2025 | 2024 Silverado |
| 13-02-32-001H | Service bulletin | Steering | Apr 11, 2025 | 2017 Equinox, 2016 Equinox, 2025 Silverado 2500HD +24 |
| PIP5841E | Service bulletin | Engine | Apr 10, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +3 |
| N242484500 | Service campaign | Structure | Apr 10, 2025 | 2024 Silverado |
| 25-NA-091 | Service bulletin | Power Train, Electrical System | Apr 10, 2025 | 2025 Silverado, 2024 Silverado |
| 24-NA-229 | Service bulletin | Electrical System | Apr 10, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +68 |
| 18-NA-069 | Service bulletin | Engine, Electrical System | Apr 10, 2025 | 2025 Malibu, 2024 Malibu, 2023 Malibu +7 |
| PIT6321A | Service bulletin | — | Apr 9, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6157C | Service bulletin | — | Apr 9, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +7 |
| 25-NA-056 | Service bulletin | Electrical System, Engine | Apr 9, 2025 | 2024 Corvette |
| 25-NA-041 | Service bulletin | Electrical System, Structure | Apr 9, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| 23-NA-066 | Service bulletin | Electrical System, Engine | Apr 9, 2025 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| PIT6366 | Service bulletin | — | Apr 8, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6270A | Service bulletin | — | Apr 8, 2025 | 2025 Equinox |
| PIT6101Q | Service bulletin | — | Apr 8, 2025 | 2024 Blazer, 2023 Blazer, 2024 Silverado +9 |
| PIT5986D | Service bulletin | — | Apr 8, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +26 |
| PIP6055 | Service bulletin | Engine | Apr 8, 2025 | 2025 Blazer |
| PIP6023B | Service bulletin | — | Apr 8, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +3 |
| PIE0811B | Service bulletin | Engine | Apr 8, 2025 | 2025 Silverado, 2024 Silverado |
| 25-NA-089 | Service bulletin | Structure | Apr 8, 2025 | 2025 Corvette, 2024 Corvette |
| 25-NA-011 | Service bulletin | Engine | Apr 8, 2025 | 2025 Traverse, 2024 Traverse |
| 23-NA-222 | Service bulletin | Electrical System, Equipment | Apr 8, 2025 | 2024 Blazer |
| 23-NA-160 | Service bulletin | Electrical System, Equipment | Apr 8, 2025 | 2024 Silverado |
| 23-NA-158 | Service bulletin | Equipment, Electrical System | Apr 8, 2025 | 2023 Colorado |
| 07-00-89-037W | Service bulletin | — | Apr 8, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +258 |
| 24-NA-193 | Service bulletin | Electrical System | Apr 7, 2025 | 2024 Colorado, 2025 Equinox, 2024 Equinox +2 |
| 24-NA-180 | Service bulletin | Engine, Electrical System | Apr 5, 2025 | 2024 Colorado |
| PIT6365 | Service bulletin | — | Apr 4, 2025 | 2025 Silverado |
| PIT5851F | Service bulletin | — | Apr 4, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +21 |
| PIP6023A | Service bulletin | — | Apr 4, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +3 |
| PIC6600 | Service bulletin | — | Apr 4, 2025 | 2025 Trax, 2024 Trax |
| 24-NA-136 | Service bulletin | Electrical System | Apr 4, 2025 | 2024 Colorado |
| 24-NA-092 | Service bulletin | Electrical System | Apr 4, 2025 | 2024 Blazer, 2024 Silverado |
| 23-NA-036 | Service bulletin | Electrical System, Fuel/Propulsion System | Apr 4, 2025 | 2024 Blazer, 2023 Bolt EUV, 2022 Bolt EUV +4 |
| 25-NA-087 | Service bulletin | Electrical System | Apr 3, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +208 |
| 23-NA-157 | Service bulletin | Electrical System, Equipment | Apr 3, 2025 | 2023 Bolt EUV, 2022 Bolt EUV, 2023 Bolt EV +3 |
| 23-NA-074 | Service bulletin | Electrical System, Engine | Apr 3, 2025 | 2023 Blazer, 2022 Blazer, 2021 Blazer +2 |
| 22-NA-183 | Service bulletin | Wheels, Tires | Apr 3, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +9 |
| 18-NA-315 | Service bulletin | Suspension | Apr 3, 2025 | 2020 Suburban, 2019 Suburban, 2018 Suburban +7 |
| PIT6362 | Service bulletin | — | Apr 2, 2025 | 2024 Blazer, 2025 Colorado, 2024 Colorado +7 |
| PIP6042A | Service bulletin | Engine | Apr 2, 2025 | 2025 Equinox |
| PIP6036A | Service bulletin | Power Train | Apr 2, 2025 | 2025 Equinox, 2025 Malibu, 2024 Malibu +6 |
| 21-NA-139 | Service bulletin | Electrical System, Engine | Apr 2, 2025 | 2021 Blazer, 2020 Blazer, 2019 Blazer +15 |
| 20-NA-084 | Service bulletin | Engine | Apr 2, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +4 |
| PIT6218B | Service bulletin | — | Apr 1, 2025 | 2025 Traverse, 2024 Traverse |
| PIT6101P | Service bulletin | — | Apr 1, 2025 | 2024 Blazer, 2023 Blazer, 2024 Silverado +8 |
| PIP6053 | Service bulletin | Engine | Apr 1, 2025 | 2025 Malibu |
| N242483540 | Service campaign | Power Train | Apr 1, 2025 | 2024 Silverado |
| 25-NA-028 | Service bulletin | Electrical System, Exterior Lighting | Apr 1, 2025 | 2025 Blazer, 2024 Blazer |
| 17-NA-394 | Service bulletin | Suspension | Apr 1, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +7 |
| PIT6076B | Service bulletin | — | Mar 31, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +6 |
| PIP6052 | Service bulletin | — | Mar 31, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +15 |
| 25-NA-082 | Service bulletin | Electrical System | Mar 31, 2025 | 2025 Traverse, 2024 Traverse |
| 25-NA-079 | Service bulletin | Electrical System | Mar 31, 2025 | 2024 Equinox, 2023 Equinox |
| 13-08-116-001K | Service bulletin | Electrical System | Mar 31, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +258 |
| N25-249834 | Over-the-air update | — | Mar 29, 2025 | 2024 Equinox, 2025 Silverado, 2024 Silverado |
| 25-NA-078 | Service bulletin | Electrical System | Mar 29, 2025 | 2025 Suburban, 2025 Tahoe |
| 25-NA-077 | Service bulletin | Electrical System, Seats | Mar 29, 2025 | 2024 Suburban, 2023 Suburban, 2022 Suburban +3 |
| 25-NA-076 | Service bulletin | Engine | Mar 29, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +7 |
| 25-NA-075 | Service bulletin | Exterior Lighting | Mar 29, 2025 | 2026 Equinox |
| 22-NA-096 | Service bulletin | Equipment, Electrical System | Mar 29, 2025 | 2025 Blazer, 2024 Blazer, 2025 Corvette +23 |
| N242486220 | Service campaign | — | Mar 28, 2025 | 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| 25-NA-073 | Service bulletin | Exterior Lighting | Mar 28, 2025 | 2025 Traverse, 2024 Traverse |
| 24-NA-021 | Service bulletin | Engine, Electrical System | Mar 28, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +2 |
| 23-NA-156 | Service bulletin | Power Train | Mar 28, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +3 |
| PIT6352A | Service bulletin | — | Mar 27, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIT6209G | Service bulletin | — | Mar 27, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +13 |
| PIT6053B | Service bulletin | — | Mar 27, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +5 |
| PIE0824 | Service bulletin | Power Train | Mar 27, 2025 | 2025 Colorado, 2025 Silverado, 2025 Silverado 2500HD +3 |
| 24-NA-269 | Service bulletin | Engine | Mar 27, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette |
| PIP5950A | Service bulletin | — | Mar 26, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| N242488800 | Service campaign | — | Mar 26, 2025 | 2024 Corvette, 2021 Corvette |
| N242479150 | Service bulletin | Structure | Mar 26, 2025 | 2025 Corvette, 2024 Corvette |
| PIP5943A | Service bulletin | — | Mar 25, 2025 | 2023 Camaro, 2022 Camaro, 2021 Camaro +31 |
| PIP5911B | Service bulletin | — | Mar 25, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +2 |
| 25-NA-052 | Service bulletin | Engine | Mar 25, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +229 |
| 23-NA-185 | Service bulletin | Power Train, Electrical System | Mar 25, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +31 |
| 07-08-42-006T | Service bulletin | Exterior Lighting | Mar 25, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +21 |
| PIT6353 | Service bulletin | — | Mar 24, 2025 | 2025 Blazer, 2024 Blazer, 2023 Bolt EUV +14 |
| PIT6304B | Service bulletin | — | Mar 24, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6110E | Service bulletin | — | Mar 24, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +20 |
| PIP6049A | Service bulletin | — | Mar 24, 2025 | 2025 Colorado, 2024 Colorado, 2024 Express +7 |
| PIP5981E | Service bulletin | — | Mar 24, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +5 |
| PIT6101N | Service bulletin | — | Mar 22, 2025 | 2024 Blazer, 2023 Blazer, 2024 Silverado +8 |
| N24-247330 | Over-the-air update | — | Mar 22, 2025 | 2025 Traverse |
| 25-NA-067 | Service bulletin | Electrical System, Fuel/Propulsion System | Mar 22, 2025 | 2025 Blazer, 2025 Equinox |
| 25-NA-066 | Service bulletin | Fuel/Propulsion System, Engine | Mar 22, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +4 |
| PIT6356 | Service bulletin | — | Mar 21, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +3 |
| PIT6354 | Service bulletin | — | Mar 21, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +4 |
| PIT6301A | Service bulletin | — | Mar 21, 2025 | 2025 Suburban, 2025 Tahoe |
| PIE0823 | Service bulletin | Structure | Mar 21, 2025 | 2025 Suburban, 2025 Tahoe |
| N25-249243 | Over-the-air update | — | Mar 21, 2025 | 2025 Blazer |
| N242480630 | Service campaign | — | Mar 21, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| 25-NA-071 | Service bulletin | Electrical System | Mar 21, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2025 Trax |
| 25-NA-065 | Service bulletin | Steering, Fuel/Propulsion System | Mar 21, 2025 | 2026 Blazer, 2025 Blazer, 2024 Blazer +256 |
| 25-NA-062 | Service bulletin | Visibility/Wiper | Mar 21, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| 24-NA-098 | Service bulletin | Electrical System | Mar 21, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +200 |
| PIE0821 | Service bulletin | Engine | Mar 20, 2025 | 2025 Colorado, 2024 Colorado, 2025 Silverado +1 |
| 25-NA-064 | Service bulletin | Service Brakes | Mar 20, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| 24-NA-164 | Service bulletin | Visibility/Wiper | Mar 20, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +51 |
| PIT6288E | Service bulletin | — | Mar 19, 2025 | 2025 Suburban, 2025 Tahoe |
| PIP6003E | Service bulletin | — | Mar 19, 2025 | 2024 Equinox, 2023 Equinox |
| N25-249332 | Over-the-air update | — | Mar 19, 2025 | 2025 Equinox |
| N25-172AE | Over-the-air update | — | Mar 19, 2025 | 2025 Corvette, 2025 Equinox, 2024 Equinox +1 |
| N242485840 | Service campaign | — | Mar 19, 2025 | 2025 Equinox |
| N24-248897 | Over-the-air update | — | Mar 19, 2025 | 2025 Brightdrop 400, 2025 Brightdrop 600 |
| 24-NA-003 | Service bulletin | Structure, Equipment | Mar 19, 2025 | 2024 Traverse, 2023 Traverse, 2022 Traverse +5 |
| PIT5511F | Service bulletin | — | Mar 18, 2025 | 2019 Silverado, 2018 Silverado, 2017 Silverado +13 |
| N252492430 | Service campaign | Visibility/Wiper | Mar 18, 2025 | 2025 Blazer, 2024 Blazer |
| 24-NA-247 | Service bulletin | Engine | Mar 18, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +7 |
| 25-NA-042 | Service bulletin | Engine, Electrical System | Mar 17, 2025 | 2023 Silverado |
| PIP6049 | Service bulletin | — | Mar 14, 2025 | 2025 Colorado, 2024 Colorado, 2025 Express +7 |
| 23-NA-164 | Service bulletin | Electrical System, Structure | Mar 14, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +43 |
| 08-03-10-006I | Service bulletin | Wheels | Mar 14, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +196 |
| N242483980 | Service campaign | — | Mar 13, 2025 | 2025 Silverado, 2024 Silverado, 2024 Silverado 3500HD |
| 25-NA-001 | Service bulletin | Power Train | Mar 13, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +4 |
| 23-NA-165 | Service bulletin | Electrical System, Equipment | Mar 13, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +37 |
| 23-NA-163 | Service bulletin | Electrical System, Engine | Mar 13, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +43 |
| 23-NA-073 | Service bulletin | Engine | Mar 13, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +16 |
| PIT6352 | Service bulletin | — | Mar 12, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIE0814A | Service bulletin | Power Train, Electrical System | Mar 12, 2025 | 2025 Equinox |
| N252495410 | Service campaign | — | Mar 12, 2025 | 2025 Express |
| N222383021 | Service campaign | — | Mar 12, 2025 | 2022 Silverado |
| 25-NA-059 | Service bulletin | Engine | Mar 12, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| 25-NA-058 | Service bulletin | Engine | Mar 12, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| 25-NA-051 | Service bulletin | Electrical System, Wheels | Mar 12, 2025 | 2025 Blazer, 2025 Equinox |
| 24-NA-277 | Service bulletin | Seats | Mar 12, 2025 | 2025 Equinox, 2024 Equinox |
| 15-06-03-001F | Service bulletin | Electrical System | Mar 12, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +241 |
| PIT6347A | Service bulletin | Service Brakes | Mar 11, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +5 |
| N242484110 | Service campaign | Suspension | Mar 11, 2025 | 2025 Corvette |
| 25-NA-060 | Service bulletin | Forward Collision Avoidance | Mar 11, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +4 |
| 25-NA-057 | Service bulletin | Structure | Mar 11, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| 19-NA-255 | Service bulletin | Structure | Mar 11, 2025 | 2022 Equinox, 2025 Express, 2024 Express +53 |
| 19-NA-200 | Service bulletin | Electrical System, Power Train | Mar 11, 2025 | 2025 Equinox, 2025 Malibu, 2024 Malibu +10 |
| PIT6351 | Service bulletin | — | Mar 10, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| N242468490 | Service campaign | Electrical System | Mar 10, 2025 | 2025 Blazer, 2024 Blazer |
| 25-NA-054 | Service bulletin | Engine | Mar 8, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| PIT6336A | Service bulletin | — | Mar 7, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| PIT6317A | Service bulletin | — | Mar 7, 2025 | 2024 Blazer, 2024 Colorado, 2023 Colorado +6 |
| PIT6206A | Service bulletin | — | Mar 7, 2025 | 2025 Silverado, 2024 Silverado |
| PIT5993D | Service bulletin | — | Mar 7, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| PIE0812A | Service bulletin | Engine | Mar 7, 2025 | 2021 Silverado, 2020 Silverado, 2021 Suburban +1 |
| N242480631 | Service campaign | Power Train | Mar 7, 2025 | 2022 Camaro, 2021 Camaro, 2020 Camaro |
| 25-NA-022 | Service bulletin | Electrical System, Structure | Mar 7, 2025 | 2025 Colorado, 2024 Colorado, 2025 Equinox +5 |
| 24-NA-232 | Service bulletin | Power Train, Electrical System | Mar 7, 2025 | 2024 Traverse |
| PIE0816A | Service bulletin | Engine | Mar 6, 2025 | 2025 Trailblazer, 2025 Trax |
| N242447610 | Service campaign | — | Mar 6, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +2 |
| PIE0820A | Service bulletin | Structure, Electrical System | Mar 5, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| 25-NA-050 | Service bulletin | Electrical System | Mar 5, 2025 | 2024 Corvette |
| 25-NA-049 | Service bulletin | Electrical System | Mar 5, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| 25-NA-048 | Service bulletin | Electrical System | Mar 5, 2025 | 2024 Blazer, 2024 Equinox, 2024 Silverado |
| 25-NA-020 | Service bulletin | Structure | Mar 5, 2025 | 2025 Equinox, 2024 Equinox |
| 24-NA-099 | Service bulletin | Suspension, Structure | Mar 5, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| 22-NA-094 | Service bulletin | Engine, Electrical System | Mar 5, 2025 | 2022 Blazer, 2021 Blazer, 2020 Blazer |
| 17-NA-073 | Service bulletin | Equipment | Mar 5, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +255 |
| N242486200 | Service campaign | Electrical System | Mar 4, 2025 | 2024 Equinox |
| 25-NA-047 | Service bulletin | Engine, Electrical System | Mar 4, 2025 | 2025 Blazer, 2024 Blazer |
| 24-NA-046 | Service bulletin | Visibility/Wiper, Structure | Mar 4, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +18 |
| PIC6591A | Service bulletin | — | Mar 3, 2025 | 2024 Blazer, 2023 Blazer, 2022 Blazer +47 |
| PIC6574F | Service bulletin | — | Mar 3, 2025 | 2024 Equinox, 2023 Equinox, 2025 Malibu +4 |
| N242478850 | Service campaign | Engine | Mar 3, 2025 | 2025 Equinox |
| N242452130 | Service campaign | Engine | Mar 3, 2025 | 2024 Colorado, 2023 Colorado, 2024 Silverado +1 |
| PIP5966A | Service bulletin | Power Train | Mar 2, 2025 | 2023 Camaro, 2022 Camaro, 2021 Camaro +32 |
| PIE0820 | Service bulletin | Structure | Mar 1, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| PIT6349 | Service bulletin | — | Feb 28, 2025 | 2025 Equinox, 2025 Suburban, 2025 Tahoe |
| PIT6288D | Service bulletin | Structure | Feb 28, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6229A | Service bulletin | — | Feb 28, 2025 | 2025 Silverado, 2024 Silverado |
| PIT5689L | Service bulletin | Engine | Feb 28, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +16 |
| PIP6048 | Service bulletin | — | Feb 28, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIP5901B | Service bulletin | — | Feb 28, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +9 |
| PIT6144F | Service bulletin | Suspension | Feb 27, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| PIT6044N | Service bulletin | — | Feb 27, 2025 | 2025 Blazer, 2024 Blazer, 2025 Silverado +1 |
| PIT5994A | Service bulletin | — | Feb 27, 2025 | 2019 Cruze, 2018 Cruze, 2017 Cruze +21 |
| PIT5981B | Service bulletin | Suspension | Feb 27, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| PIE0806A | Service bulletin | Structure | Feb 27, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +3 |
| PIE0753H | Service bulletin | Fuel/Propulsion System, Electrical System | Feb 27, 2025 | 2025 Blazer, 2024 Blazer, 2023 Bolt EUV +14 |
| PIC6574E | Service bulletin | — | Feb 27, 2025 | 2024 Equinox, 2023 Equinox, 2025 Malibu +4 |
| N242490010 | Service campaign | — | Feb 27, 2025 | 2025 Blazer |
| PIP5981D | Service bulletin | Power Train, Fuel/Propulsion System | Feb 26, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +4 |
| N242482641 | Service campaign | Suspension | Feb 26, 2025 | 2024 Colorado |
| N242482640 | Service campaign | Suspension | Feb 26, 2025 | 2024 Colorado |
| N242471431 | Service bulletin | — | Feb 26, 2025 | 2025 Equinox, 2025 Traverse, 2024 Traverse |
| 25-NA-034 | Service bulletin | Structure | Feb 26, 2025 | 2025 Silverado, 2024 Silverado |
| 24-NA-015 | Service bulletin | Electrical System, Fuel/Propulsion System | Feb 26, 2025 | 2025 Blazer, 2024 Blazer, 2023 Bolt EUV +14 |
| 23-NA-209 | Service bulletin | Structure, Equipment | Feb 26, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado |
| PIT6347 | Service bulletin | Service Brakes | Feb 25, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +5 |
| PIT6277A | Service bulletin | — | Feb 25, 2025 | 2025 Silverado, 2024 Silverado |
| PIP6030A | Service bulletin | — | Feb 25, 2025 | 2025 Malibu, 2024 Malibu, 2023 Malibu +5 |
| PIP6003D | Service bulletin | Fuel/Propulsion System | Feb 25, 2025 | 2024 Equinox, 2023 Equinox |
| PIP5975A | Service bulletin | Power Train | Feb 25, 2025 | 2025 Malibu, 2024 Malibu, 2023 Malibu +9 |
| PIP5958A | Service bulletin | — | Feb 25, 2025 | 2025 Equinox, 2025 Malibu, 2024 Malibu +10 |
| PIP5824D | Service bulletin | Engine | Feb 25, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +8 |
| 05-03-07-009L | Service bulletin | Suspension, Wheels | Feb 25, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +197 |
| PIT6346 | Service bulletin | Fuel/Propulsion System | Feb 24, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +3 |
| N24-248092 | Over-the-air update | — | Feb 24, 2025 | 2024 Equinox |
| N232429740 | Emissions | Engine | Feb 24, 2025 | 2023 Silverado 3500HD, 2022 Silverado 3500HD, 2021 Silverado 3500HD +4 |
| N232421261 | Service campaign | — | Feb 24, 2025 | 2022 Bolt EUV, 2022 Bolt EV, 2021 Bolt EV +1 |
| PIT6345 | Service bulletin | — | Feb 22, 2025 | 2025 Equinox |
| PIT6344 | Service bulletin | — | Feb 22, 2025 | 2025 Silverado, 2019 Silverado, 2024 Silverado 2500HD +13 |
| PIT6343 | Service bulletin | — | Feb 22, 2025 | 2024 Blazer |
| PIT6341 | Service bulletin | — | Feb 22, 2025 | 2024 Traverse |
| PIT6337A | Service bulletin | — | Feb 22, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIP6043 | Service bulletin | — | Feb 22, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIE0818 | Service bulletin | Structure, Visibility/Wiper | Feb 22, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +9 |
| 11-00-89-005Y | Service bulletin | — | Feb 22, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +239 |
| PIT6209F | Service bulletin | — | Feb 21, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +12 |
| PIT5734H | Service bulletin | — | Feb 21, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +13 |
| PIT4506H | Service bulletin | — | Feb 21, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +20 |
| 25-NA-038 | Service bulletin | Seats | Feb 21, 2025 | 2025 Silverado, 2024 Silverado |
| PIT5895D | Service bulletin | — | Feb 20, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +9 |
| PIP5358D | Service bulletin | — | Feb 20, 2025 | 2022 Blazer, 2021 Blazer, 2020 Blazer +132 |
| 24-NA-102 | Service bulletin | Back Over Prevention, Electrical System | Feb 20, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +2 |
| 23-NA-216 | Service bulletin | Engine | Feb 20, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +4 |
| 22-NA-140 | Service bulletin | Suspension | Feb 20, 2025 | 2025 Tahoe, 2024 Tahoe, 2023 Tahoe +2 |
| 19-NA-129 | Service bulletin | Suspension | Feb 20, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +4 |
| 16-NA-003 | Service bulletin | Engine, Equipment | Feb 20, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +16 |
| 05-08-51-001L | Service bulletin | Structure | Feb 20, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +239 |
| PIT6335 | Service bulletin | — | Feb 19, 2025 | 2025 Blazer, 2024 Blazer, 2024 Colorado +9 |
| N242489350 | Service campaign | — | Feb 19, 2025 | 2025 Equinox |
| N242480200 | Service campaign | — | Feb 19, 2025 | 2025 Silverado, 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| 25-NA-035 | Service bulletin | Wheels, Electrical System | Feb 19, 2025 | 2024 Silverado |
| 25-NA-033 | Service bulletin | Electrical System | Feb 19, 2025 | 2025 Tahoe, 2024 Tahoe |
| 22-NA-068 | Service bulletin | Structure, Electrical System | Feb 19, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +16 |
| PIT6340 | Service bulletin | — | Feb 18, 2025 | 2025 Colorado, 2024 Colorado |
| PIT6339 | Service bulletin | — | Feb 18, 2025 | 2025 Blazer, 2025 Equinox, 2024 Equinox +6 |
| PIT6276A | Service bulletin | — | Feb 18, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +25 |
| PIT5744E | Service bulletin | — | Feb 18, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +16 |
| PIT5551Q | Service bulletin | — | Feb 18, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +105 |
| PIP6008D | Service bulletin | — | Feb 18, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +12 |
| N24-247143 | Over-the-air update | — | Feb 18, 2025 | 2025 Equinox, 2025 Traverse, 2024 Traverse |
| 25-NA-025 | Service bulletin | Electrical System, Engine | Feb 18, 2025 | 2025 Trailblazer, 2025 Trax |
| 16-NA-109 | Service bulletin | Steering, Equipment | Feb 18, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +256 |
| N242488190 | Service campaign | Power Train | Feb 17, 2025 | 2025 LOW Cab Forward N Series |
| N24-245063 | Over-the-air update | — | Feb 17, 2025 | 2022 Silverado |
| N23-242899 | Over-the-air update | — | Feb 17, 2025 | 2024 Silverado |
| 25-NA-032 | Service bulletin | Engine, Electrical System | Feb 17, 2025 | 2023 Silverado, 2022 Silverado, 2021 Silverado +9 |
| PIT6338 | Service bulletin | — | Feb 15, 2025 | 2024 Colorado |
| PIT6337 | Service bulletin | — | Feb 15, 2025 | 2025 Blazer, 2024 Blazer |
| PIT6328A | Service bulletin | — | Feb 15, 2025 | 2022 Blazer, 2022 Colorado, 2022 Equinox +10 |
| PIT6186E | Service bulletin | — | Feb 15, 2025 | 2025 Silverado, 2024 Silverado, 2025 Suburban +1 |
| PIT6167G | Service bulletin | — | Feb 15, 2025 | 2025 Traverse, 2024 Traverse |
| PIT6120B | Service bulletin | — | Feb 15, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +3 |
| PIT6112C | Service bulletin | — | Feb 15, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIT6105C | Service bulletin | — | Feb 15, 2025 | 2025 Blazer, 2024 Blazer, 2024 Colorado +9 |
| PIT5986C | Service bulletin | — | Feb 15, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +22 |
| PIP6046 | Service bulletin | — | Feb 15, 2025 | 2025 Trax |
| PIP6045 | Service bulletin | — | Feb 15, 2025 | 2025 Traverse, 2024 Traverse |
| PIP6044 | Service bulletin | — | Feb 15, 2025 | 2025 Traverse, 2024 Traverse |
| PIC6563B | Service bulletin | — | Feb 15, 2025 | 2025 Trax, 2024 Trax |
| PIC6557D | Service bulletin | — | Feb 15, 2025 | 2025 Blazer, 2025 Equinox, 2024 Equinox |
| 23-NA-102 | Service bulletin | Electrical System, Power Train | Feb 15, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +9 |
| PIT6334 | Service bulletin | — | Feb 14, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +19 |
| PIT6331A | Service bulletin | — | Feb 14, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6323A | Service bulletin | — | Feb 14, 2025 | 2025 Silverado |
| PIT6155C | Service bulletin | — | Feb 14, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +1 |
| PIE0816 | Service bulletin | Engine | Feb 14, 2025 | 2025 Trailblazer, 2025 Trax |
| PIC6593 | Service bulletin | — | Feb 14, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2025 Trax +1 |
| 24-NA-270 | Service bulletin | Structure | Feb 14, 2025 | 2025 Silverado, 2024 Silverado |
| 21-NA-138 | Service bulletin | Suspension | Feb 14, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +17 |
| PIT6297A | Service bulletin | — | Feb 13, 2025 | 2025 Traverse |
| PIT6290A | Service bulletin | — | Feb 13, 2025 | 2025 Blazer, 2024 Blazer |
| PIT6280A | Service bulletin | Structure, Exterior Lighting | Feb 13, 2025 | 2025 Blazer, 2025 Silverado |
| PIT6144E | Service bulletin | Suspension | Feb 13, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| N242489790 | Service campaign | — | Feb 13, 2025 | 2025 Silverado, 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| 25-NA-030 | Service bulletin | Service Brakes, Electrical System | Feb 13, 2025 | 2025 Equinox |
| 24-NA-264 | Service bulletin | Power Train | Feb 13, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +20 |
| 07-00-89-037V | Service bulletin | — | Feb 13, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +241 |
| PIT6336 | Service bulletin | Structure | Feb 12, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| PIT6132B | Service bulletin | — | Feb 12, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +22 |
| PIC6574D | Service bulletin | — | Feb 12, 2025 | 2024 Equinox, 2023 Equinox, 2025 Malibu +4 |
| N242486100 | Service campaign | — | Feb 12, 2025 | 2024 Silverado |
| 23-NA-086 | Service bulletin | Exterior Lighting, Equipment | Feb 12, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +11 |
| 16-NA-019 | Service bulletin | Power Train | Feb 12, 2025 | 2023 Camaro, 2022 Camaro, 2021 Camaro +52 |
| PIE0808A | Service bulletin | Engine | Feb 11, 2025 | 2024 Colorado, 2023 Colorado |
| 25-NA-029 | Service bulletin | Electrical System, Service Brakes | Feb 11, 2025 | 2025 Traverse, 2024 Traverse |
| 24-NA-032 | Service bulletin | Structure | Feb 11, 2025 | 2025 Blazer, 2024 Blazer |
| 22-NA-215 | Service bulletin | Electrical System, Equipment | Feb 11, 2025 | 2025 Blazer, 2024 Blazer, 2023 Bolt EUV +8 |
| N242478860 | Service campaign | Engine | Feb 10, 2025 | 2025 Blazer |
| N242478720 | Service campaign | — | Feb 10, 2025 | 2025 Brightdrop 400, 2025 Brightdrop 600 |
| PIT5479G | Service bulletin | — | Feb 7, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +37 |
| PIP6022 | Service bulletin | — | Feb 7, 2025 | 2025 Silverado |
| PIP5994B | Service bulletin | — | Feb 7, 2025 | 2024 Blazer, 2024 Equinox, 2024 Silverado |
| PIC6447B | Service bulletin | — | Feb 7, 2025 | 2024 Corvette, 2023 Corvette, 2022 Corvette +2 |
| 25-NA-027 | Service bulletin | Visibility/Wiper | Feb 7, 2025 | 2025 Equinox, 2024 Equinox |
| 25-NA-024 | Service bulletin | Exterior Lighting, Structure | Feb 7, 2025 | 2025 Equinox |
| 24-NA-155 | Service bulletin | Electrical System | Feb 7, 2025 | 2023 Colorado |
| 24-NA-026 | Service bulletin | Structure | Feb 7, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +3 |
| PIT6059B | Service bulletin | — | Feb 6, 2025 | 2022 Blazer, 2022 Bolt EUV, 2022 Bolt EV +12 |
| N242456580 | Service campaign | — | Feb 6, 2025 | 2025 Equinox |
| 24-NA-048 | Service bulletin | Service Brakes, Forward Collision Avoidance | Feb 6, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +48 |
| PIT6333 | Service bulletin | — | Feb 5, 2025 | 2024 Traverse |
| PIT6331 | Service bulletin | — | Feb 5, 2025 | 2025 Silverado |
| PIT6224A | Service bulletin | — | Feb 5, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| PIT5990C | Service bulletin | — | Feb 5, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +14 |
| PIP6042 | Service bulletin | — | Feb 5, 2025 | 2025 Equinox |
| 24-NA-127 | Service bulletin | Electrical System | Feb 5, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +7 |
| PIP6041 | Service bulletin | Fuel/Propulsion System | Feb 3, 2025 | 2024 Blazer, 2024 Equinox |
| PIP5175F | Service bulletin | Power Train | Feb 3, 2025 | 2022 Colorado, 2021 Colorado, 2020 Colorado +22 |
| PIC6163D | Service bulletin | Structure | Feb 3, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| N242489010 | Service campaign | Fuel/Propulsion System | Feb 3, 2025 | 2025 Equinox |
| N242487960 | Service campaign | Electrical System | Feb 3, 2025 | 2025 Corvette |
| N242484760 | Service campaign | Engine | Feb 3, 2025 | 2021 Camaro |
| N232428991 | Service campaign | — | Feb 3, 2025 | 2024 Silverado |
| 25-NA-019 | Service bulletin | Air Bags, Service Brakes | Feb 1, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +5 |
| 20-NA-175 | Service bulletin | Structure | Feb 1, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +6 |
| 19-NA-257 | Service bulletin | Structure | Feb 1, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +4 |
| PIT6329 | Service bulletin | — | Jan 31, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado |
| PIP6037A | Service bulletin | — | Jan 31, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +2 |
| PIP5982A | Service bulletin | — | Jan 31, 2025 | 2025 Colorado, 2024 Colorado, 2023 Colorado +9 |
| 21-NA-043 | Service bulletin | Wheels, Engine | Jan 31, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +256 |
| 10-08-110-001L | Service bulletin | Vehicle Speed Control, Structure | Jan 31, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +238 |
| PIT6328 | Service bulletin | — | Jan 30, 2025 | 2022 Blazer, 2022 Bolt EV, 2022 Camaro +11 |
| PIE0815 | Service bulletin | Engine | Jan 30, 2025 | 2024 Corvette, 2023 Corvette |
| 25-NA-017 | Service bulletin | Structure | Jan 30, 2025 | 2025 Blazer, 2024 Blazer |
| 23-NA-020 | Service bulletin | Engine | Jan 30, 2025 | 2023 Corvette |
| 22-NA-244 | Warranty extension | Structure, Equipment | Jan 30, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +184 |
| 22-NA-074 | Service bulletin | Engine | Jan 30, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +244 |
| PIT6319A | Service bulletin | — | Jan 29, 2025 | 2025 Blazer, 2025 Equinox |
| PIT6304A | Service bulletin | Suspension | Jan 29, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6202D | Service bulletin | Structure | Jan 29, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6144D | Service bulletin | Suspension | Jan 29, 2025 | 2024 Suburban, 2023 Suburban, 2022 Suburban +5 |
| PIT5689K | Service bulletin | — | Jan 29, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +13 |
| PIP6032A | Service bulletin | Power Train | Jan 29, 2025 | 2025 Equinox, 2024 Malibu, 2023 Malibu +8 |
| N242450630 | Service campaign | — | Jan 29, 2025 | 2022 Silverado |
| N242438530 | Service campaign | Engine | Jan 29, 2025 | 2024 Corvette |
| N242438501-02 | Service bulletin | — | Jan 29, 2025 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| 24-NA-261 | Service bulletin | Electrical System | Jan 29, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +8 |
| 23-NA-064 | Service bulletin | Electrical System, Equipment | Jan 29, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +124 |
| PIE0812 | Service bulletin | Fuel/Propulsion System, Engine | Jan 28, 2025 | 2021 Silverado, 2020 Silverado, 2021 Suburban +1 |
| PIE0799A | Service bulletin | Engine | Jan 28, 2025 | 2025 Traverse, 2024 Traverse |
| N242454441-02 | Service campaign | Power Train | Jan 28, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +11 |
| 24-NA-148 | Service bulletin | Power Train | Jan 28, 2025 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| 21-NA-135 | Service bulletin | Electrical System, Equipment | Jan 28, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +120 |
| PIC6591 | Service bulletin | — | Jan 27, 2025 | 2024 Blazer, 2023 Blazer, 2022 Blazer +45 |
| N242485780-01 | Service campaign | Steering | Jan 27, 2025 | 2024 Express, 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| 24-NA-228 | Service bulletin | Electrical System | Jan 27, 2025 | 2024 Colorado |
| 01-08-42-001Q | Service bulletin | Exterior Lighting | Jan 27, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +191 |
| PIT6318A | Service bulletin | — | Jan 24, 2025 | 2024 Silverado |
| PIT5985J | Service bulletin | — | Jan 24, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +30 |
| PIT5832U | Service bulletin | — | Jan 24, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +25 |
| PIT5544H | Service bulletin | — | Jan 24, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2023 Silverado 2500HD +17 |
| PIP6040 | Service bulletin | — | Jan 24, 2025 | 2023 Silverado |
| PIP6008C | Service bulletin | — | Jan 24, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +22 |
| PIE0810B | Service bulletin | Engine | Jan 24, 2025 | 2025 Trailblazer, 2025 Trax |
| 22-NA-005 | Service bulletin | Electrical System, Fuel/Propulsion System | Jan 24, 2025 | 2025 Silverado, 2024 Silverado, 2025 Brightdrop 400 +1 |
| 24-NA-135 | Service bulletin | Engine, Electrical System | Jan 23, 2025 | 2025 Equinox, 2025 Traverse, 2024 Traverse |
| 22-NA-210 | Service bulletin | Engine, Electrical System | Jan 23, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado |
| 22-NA-172 | Service bulletin | Wheels, Electrical System | Jan 23, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +6 |
| 17-NA-350 | Service bulletin | Trailer Hitches, Structure | Jan 23, 2025 | 2018 Silverado, 2017 Silverado, 2016 Silverado +14 |
| PIT6323 | Service bulletin | — | Jan 22, 2025 | 2025 Silverado |
| PIT5995A | Service bulletin | — | Jan 22, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +3 |
| PIP6038 | Service bulletin | — | Jan 22, 2025 | 2025 Trax |
| PIE0811A | Service bulletin | Electrical System, Engine | Jan 22, 2025 | 2025 Silverado, 2024 Silverado |
| PIE0753G | Service bulletin | Fuel/Propulsion System, Electrical System | Jan 22, 2025 | 2025 Blazer, 2024 Blazer, 2023 Bolt EUV +14 |
| N242485780 | Service campaign | Steering | Jan 22, 2025 | 2024 Express, 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| N242482060 | Service campaign | — | Jan 22, 2025 | 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| N24-248211 | Over-the-air update | — | Jan 22, 2025 | 2025 Corvette |
| PIT6322 | Service bulletin | — | Jan 21, 2025 | 2025 Blazer, 2024 Blazer |
| N242485320 | Service campaign | — | Jan 21, 2025 | 2025 Silverado |
| N242451390-02 | Service campaign | — | Jan 21, 2025 | 2025 Silverado, 2024 Silverado |
| N24-F172AD | Over-the-air update | — | Jan 21, 2025 | 2025 Corvette |
| PIE0814 | Service bulletin | Electrical System, Power Train | Jan 18, 2025 | 2025 Equinox |
| PIT6321 | Service bulletin | — | Jan 17, 2025 | 2025 Silverado, 2024 Silverado |
| PIT5854C | Service bulletin | — | Jan 17, 2025 | 2025 Suburban, 2024 Suburban, 2023 Suburban +7 |
| PIP5929B | Service bulletin | — | Jan 17, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +4 |
| PIC6557C | Service bulletin | — | Jan 17, 2025 | 2025 Blazer, 2025 Equinox, 2024 Equinox |
| 24-NA-248 | Service bulletin | Electrical System | Jan 17, 2025 | 2024 Corvette, 2023 Corvette, 2022 Corvette +1 |
| 21-NA-293 | Service bulletin | Electrical System, Engine | Jan 17, 2025 | 2023 Trailblazer, 2022 Trailblazer, 2021 Trailblazer |
| 21-NA-155 | Service bulletin | Electrical System, Service Brakes | Jan 17, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +26 |
| 17-NA-331 | Service bulletin | Equipment, Back Over Prevention | Jan 17, 2025 | 2021 Bolt EV, 2020 Bolt EV, 2019 Bolt EV +23 |
| PIT6319 | Service bulletin | Fuel/Propulsion System | Jan 16, 2025 | 2025 Blazer, 2025 Equinox |
| PIT6167F | Service bulletin | — | Jan 16, 2025 | 2025 Traverse, 2024 Traverse |
| PIT6044M | Service bulletin | — | Jan 16, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +4 |
| PIP6037 | Service bulletin | Fuel/Propulsion System | Jan 16, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +2 |
| PIC6574C | Service bulletin | — | Jan 16, 2025 | 2025 Trax, 2024 Trax |
| PIC6549D | Service bulletin | — | Jan 16, 2025 | 2025 Trax, 2024 Trax |
| PIC6539A | Service bulletin | — | Jan 16, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2025 Trax +1 |
| 24-NA-239 | Service bulletin | Electrical System, Steering | Jan 16, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +67 |
| PIE0794D | Service bulletin | Engine | Jan 15, 2025 | 2025 Blazer, 2024 Blazer |
| N242480580 | Service campaign | — | Jan 15, 2025 | 2024 Colorado |
| 25-NA-006 | Service bulletin | Forward Collision Avoidance, Electrical System | Jan 15, 2025 | 2025 Traverse, 2024 Traverse |
| 24-NA-050 | Service bulletin | Electrical System, Service Brakes | Jan 15, 2025 | 2024 Silverado 2500HD, 2024 Silverado 3500HD |
| 22-NA-150 | Service bulletin | Engine, Electrical System | Jan 15, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +25 |
| 18-NA-011 | Service bulletin | Engine | Jan 15, 2025 | 2018 Silverado, 2017 Silverado, 2025 Silverado 2500HD +13 |
| PIT6317 | Service bulletin | — | Jan 14, 2025 | 2024 Blazer, 2024 Colorado, 2023 Colorado +6 |
| PIT6219B | Service bulletin | — | Jan 14, 2025 | 2025 Blazer, 2025 Equinox |
| PIT6218A | Service bulletin | — | Jan 14, 2025 | 2025 Traverse, 2024 Traverse |
| PIT6185A | Service bulletin | Forward Collision Avoidance | Jan 14, 2025 | 2025 Silverado 2500HD, 2025 Silverado 3500HD |
| N242484750 | Warranty extension | Engine | Jan 14, 2025 | 2022 Trailblazer |
| N242484740 | Service campaign | Engine | Jan 14, 2025 | 2023 Blazer, 2022 Blazer, 2022 Silverado +1 |
| 25-NA-009 | Service bulletin | Electrical System, Engine | Jan 14, 2025 | 2024 Corvette, 2023 Corvette |
| 21-NA-049 | Service bulletin | Power Train, Electrical System | Jan 14, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +3 |
| 25-NA-010 | Service bulletin | Electrical System | Jan 13, 2025 | 2025 Corvette, 2024 Corvette |
| 24-NA-132 | Service bulletin | Electrical System | Jan 13, 2025 | 2024 Blazer, 2023 Colorado, 2025 Equinox +5 |
| PIE0810A | Service bulletin | Fuel/Propulsion System, Engine | Jan 11, 2025 | 2025 Trailblazer, 2025 Trax |
| 24-NA-242 | Service bulletin | Power Train | Jan 11, 2025 | 2024 Trax |
| PIT6318 | Service bulletin | — | Jan 10, 2025 | 2024 Silverado |
| PIT6314 | Service bulletin | — | Jan 10, 2025 | 2025 Silverado |
| PIT6281A | Service bulletin | — | Jan 10, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6209E | Service bulletin | — | Jan 10, 2025 | 2025 Corvette, 2024 Corvette, 2025 Silverado +10 |
| PIT6177B | Service bulletin | — | Jan 10, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +3 |
| PIT5985H | Service bulletin | — | Jan 10, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +25 |
| PIT5832T | Service bulletin | — | Jan 10, 2025 | 2025 Blazer, 2024 Blazer, 2025 Colorado +30 |
| PIP6026A | Service bulletin | — | Jan 10, 2025 | 2025 Corvette, 2024 Corvette, 2023 Corvette +3 |
| PIC6556H | Service bulletin | — | Jan 10, 2025 | 2025 Blazer, 2025 Equinox, 2024 Equinox +6 |
| PIC6454A | Service bulletin | Power Train | Jan 10, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +6 |
| 25-NA-002 | Service bulletin | Engine, Electrical System | Jan 10, 2025 | 2025 Equinox |
| 24-NA-173 | Service bulletin | Engine, Electrical System | Jan 10, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +15 |
| 24-NA-025 | Service bulletin | Electrical System, Engine | Jan 10, 2025 | 2025 Corvette, 2024 Corvette |
| PIT6315 | Service bulletin | — | Jan 9, 2025 | 2025 Blazer, 2024 Blazer, 2025 Silverado +5 |
| PIT6288C | Service bulletin | — | Jan 9, 2025 | 2025 Suburban, 2025 Tahoe |
| PIT6274B | Service bulletin | — | Jan 9, 2025 | 2025 Blazer, 2025 Equinox, 2025 Silverado +3 |
| PIT6257A | Service bulletin | Fuel/Propulsion System | Jan 9, 2025 | 2025 Blazer, 2024 Blazer |
| PIT5828D | Service bulletin | Service Brakes | Jan 9, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +16 |
| PIP6036 | Service bulletin | Power Train | Jan 9, 2025 | 2025 Equinox, 2025 Malibu, 2024 Malibu +6 |
| PIP6008B | Service bulletin | Power Train | Jan 9, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +17 |
| PIE0811 | Service bulletin | Engine, Fuel/Propulsion System | Jan 9, 2025 | 2025 Silverado, 2024 Silverado |
| 22-NA-218 | Service bulletin | Engine | Jan 9, 2025 | 2025 Silverado, 2024 Silverado, 2023 Silverado +30 |
| 21-NA-142 | Service bulletin | Service Brakes, Electrical System | Jan 9, 2025 | 2023 Blazer, 2022 Blazer, 2021 Blazer +6 |
| 09-06-04-026Z | Service bulletin | Power Train, Electrical System | Jan 9, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +176 |
| PIC6589 | Service bulletin | — | Jan 8, 2025 | 2025 Trailblazer, 2024 Trailblazer, 2023 Trailblazer +2 |
| 24-NA-258 | Service bulletin | Engine, Electrical System | Jan 8, 2025 | 2025 Silverado 2500HD, 2024 Silverado 2500HD, 2025 Silverado 3500HD +1 |
| 23-NA-081 | Service bulletin | Engine, Electrical System | Jan 8, 2025 | 2023 Colorado, 2025 Silverado |
| 20-NA-166 | Service bulletin | Engine | Jan 8, 2025 | 2024 Camaro, 2023 Camaro, 2022 Camaro +46 |
| PIT6313 | Service bulletin | — | Jan 7, 2025 | 2025 Blazer, 2024 Blazer, 2025 Equinox +6 |
| PIT6219A | Service bulletin | Structure | Jan 7, 2025 | 2025 Blazer, 2025 Equinox |
| PIT6213B | Service bulletin | Structure | Jan 7, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6207A | Service bulletin | Structure | Jan 7, 2025 | 2025 Silverado, 2024 Silverado |
| PIT6134G | Service bulletin | Service Brakes | Jan 7, 2025 | 2022 Silverado, 2021 Silverado, 2020 Silverado +1 |
| 24-NA-274 | Service bulletin | Power Train, Engine | Jan 7, 2025 | 2024 Traverse |
| 24-NA-273 | Service bulletin | Electrical System, Power Train | Jan 7, 2025 | 2024 Corvette |
| 21-NA-186 | Service bulletin | Electrical System, Engine | Jan 7, 2025 | 2025 Malibu, 2024 Malibu, 2023 Malibu +3 |
| 20-NA-132 | Service bulletin | Electrical System, Equipment | Jan 7, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +256 |
| 07-00-89-037U | Service bulletin | — | Jan 4, 2025 | 2025 Blazer, 2024 Blazer, 2023 Blazer +240 |
| 24-NA-073 | Service bulletin | Service Brakes | Jan 3, 2025 | 2024 Silverado, 2023 Silverado, 2022 Silverado +8 |